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Finding the Fourth Proportional to 7,693.76, 10,613.60 and 7,395.68

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Solution

The fourth proportional to 7,693.76, 10,613.60 and 7,395.68 is: 10,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693.76 : 10,613.60 = 7,395.68 : x
  2. Step 2: Convert to fraction form
    7,693.76/10,613.60 = 7,395.68/x
  3. Step 3: Cross multiply
    7,693.76x = 10,613.60 × 7,395.68
  4. Step 4: Simplify right side
    7,693.76x = 78,494,789.25
  5. Step 5: Solve for x
    x = 78,494,789.25/7,693.76
  6. Step 6: Final answer
    x = 10,202.40

Related Problems

Find fourth proportional to 3,846.88, 5,306.80 and 3,697.84
Half scale
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Double scale
Find fourth proportional to 7,694.76, 10,614.98 and 7,396.68
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.