Home / 10,747.23-16,115.67-4,505.57

Finding the Fourth Proportional to 10,747.23, 16,115.67 and 4,505.57

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Solution

The fourth proportional to 10,747.23, 16,115.67 and 4,505.57 is: 6,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.23 : 16,115.67 = 4,505.57 : x
  2. Step 2: Convert to fraction form
    10,747.23/16,115.67 = 4,505.57/x
  3. Step 3: Cross multiply
    10,747.23x = 16,115.67 × 4,505.57
  4. Step 4: Simplify right side
    10,747.23x = 72,610,279.28
  5. Step 5: Solve for x
    x = 72,610,279.28/10,747.23
  6. Step 6: Final answer
    x = 6,756.19

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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.