Home / 10,282.29-15,348.99-9,036.74

Finding the Fourth Proportional to 10,282.29, 15,348.99 and 9,036.74

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Solution

The fourth proportional to 10,282.29, 15,348.99 and 9,036.74 is: 13,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.29 : 15,348.99 = 9,036.74 : x
  2. Step 2: Convert to fraction form
    10,282.29/15,348.99 = 9,036.74/x
  3. Step 3: Cross multiply
    10,282.29x = 15,348.99 × 9,036.74
  4. Step 4: Simplify right side
    10,282.29x = 138,704,755.15
  5. Step 5: Solve for x
    x = 138,704,755.15/10,282.29
  6. Step 6: Final answer
    x = 13,489.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.