Home / 10,491.97-15,740.15-5,560.29

Finding the Fourth Proportional to 10,491.97, 15,740.15 and 5,560.29

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Solution

The fourth proportional to 10,491.97, 15,740.15 and 5,560.29 is: 8,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.97 : 15,740.15 = 5,560.29 : x
  2. Step 2: Convert to fraction form
    10,491.97/15,740.15 = 5,560.29/x
  3. Step 3: Cross multiply
    10,491.97x = 15,740.15 × 5,560.29
  4. Step 4: Simplify right side
    10,491.97x = 87,519,798.64
  5. Step 5: Solve for x
    x = 87,519,798.64/10,491.97
  6. Step 6: Final answer
    x = 8,341.60

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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.