Home / 10,097.12-13,932.29-9,280.55

Finding the Fourth Proportional to 10,097.12, 13,932.29 and 9,280.55

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Solution

The fourth proportional to 10,097.12, 13,932.29 and 9,280.55 is: 12,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.12 : 13,932.29 = 9,280.55 : x
  2. Step 2: Convert to fraction form
    10,097.12/13,932.29 = 9,280.55/x
  3. Step 3: Cross multiply
    10,097.12x = 13,932.29 × 9,280.55
  4. Step 4: Simplify right side
    10,097.12x = 129,299,197.90
  5. Step 5: Solve for x
    x = 129,299,197.90/10,097.12
  6. Step 6: Final answer
    x = 12,805.56

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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.