Home / 11,294.59-15,589.14-7,517.91

Finding the Fourth Proportional to 11,294.59, 15,589.14 and 7,517.91

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Solution

The fourth proportional to 11,294.59, 15,589.14 and 7,517.91 is: 10,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.59 : 15,589.14 = 7,517.91 : x
  2. Step 2: Convert to fraction form
    11,294.59/15,589.14 = 7,517.91/x
  3. Step 3: Cross multiply
    11,294.59x = 15,589.14 × 7,517.91
  4. Step 4: Simplify right side
    11,294.59x = 117,197,751.50
  5. Step 5: Solve for x
    x = 117,197,751.50/11,294.59
  6. Step 6: Final answer
    x = 10,376.45

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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.