Home / 10,747.53-16,130.18-5,486.43

Finding the Fourth Proportional to 10,747.53, 16,130.18 and 5,486.43

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Solution

The fourth proportional to 10,747.53, 16,130.18 and 5,486.43 is: 8,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.53 : 16,130.18 = 5,486.43 : x
  2. Step 2: Convert to fraction form
    10,747.53/16,130.18 = 5,486.43/x
  3. Step 3: Cross multiply
    10,747.53x = 16,130.18 × 5,486.43
  4. Step 4: Simplify right side
    10,747.53x = 88,497,117.17
  5. Step 5: Solve for x
    x = 88,497,117.17/10,747.53
  6. Step 6: Final answer
    x = 8,234.18

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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.