Home / 7,129.10-10,693.65-4,796.30

Finding the Fourth Proportional to 7,129.10, 10,693.65 and 4,796.30

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Solution

The fourth proportional to 7,129.10, 10,693.65 and 4,796.30 is: 7,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129.10 : 10,693.65 = 4,796.30 : x
  2. Step 2: Convert to fraction form
    7,129.10/10,693.65 = 4,796.30/x
  3. Step 3: Cross multiply
    7,129.10x = 10,693.65 × 4,796.30
  4. Step 4: Simplify right side
    7,129.10x = 51,289,953.50
  5. Step 5: Solve for x
    x = 51,289,953.50/7,129.10
  6. Step 6: Final answer
    x = 7,194.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.