Home / 10,415.28-14,329.44-9,092.04

Finding the Fourth Proportional to 10,415.28, 14,329.44 and 9,092.04

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Solution

The fourth proportional to 10,415.28, 14,329.44 and 9,092.04 is: 12,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.28 : 14,329.44 = 9,092.04 : x
  2. Step 2: Convert to fraction form
    10,415.28/14,329.44 = 9,092.04/x
  3. Step 3: Cross multiply
    10,415.28x = 14,329.44 × 9,092.04
  4. Step 4: Simplify right side
    10,415.28x = 130,283,841.66
  5. Step 5: Solve for x
    x = 130,283,841.66/10,415.28
  6. Step 6: Final answer
    x = 12,508.91

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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.