Home / 9,350.76-12,903.96-5,158.98

Finding the Fourth Proportional to 9,350.76, 12,903.96 and 5,158.98

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Solution

The fourth proportional to 9,350.76, 12,903.96 and 5,158.98 is: 7,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.76 : 12,903.96 = 5,158.98 : x
  2. Step 2: Convert to fraction form
    9,350.76/12,903.96 = 5,158.98/x
  3. Step 3: Cross multiply
    9,350.76x = 12,903.96 × 5,158.98
  4. Step 4: Simplify right side
    9,350.76x = 66,571,271.56
  5. Step 5: Solve for x
    x = 66,571,271.56/9,350.76
  6. Step 6: Final answer
    x = 7,119.34

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Half scale
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Double scale
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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.