Home / 11,162.35-15,404.17-6,126.90

Finding the Fourth Proportional to 11,162.35, 15,404.17 and 6,126.90

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Solution

The fourth proportional to 11,162.35, 15,404.17 and 6,126.90 is: 8,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.35 : 15,404.17 = 6,126.90 : x
  2. Step 2: Convert to fraction form
    11,162.35/15,404.17 = 6,126.90/x
  3. Step 3: Cross multiply
    11,162.35x = 15,404.17 × 6,126.90
  4. Step 4: Simplify right side
    11,162.35x = 94,379,809.17
  5. Step 5: Solve for x
    x = 94,379,809.17/11,162.35
  6. Step 6: Final answer
    x = 8,455.19

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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.