Home / 7,416.86-11,126.50-3,519.14

Finding the Fourth Proportional to 7,416.86, 11,126.50 and 3,519.14

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Solution

The fourth proportional to 7,416.86, 11,126.50 and 3,519.14 is: 5,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.86 : 11,126.50 = 3,519.14 : x
  2. Step 2: Convert to fraction form
    7,416.86/11,126.50 = 3,519.14/x
  3. Step 3: Cross multiply
    7,416.86x = 11,126.50 × 3,519.14
  4. Step 4: Simplify right side
    7,416.86x = 39,155,646.78
  5. Step 5: Solve for x
    x = 39,155,646.78/7,416.86
  6. Step 6: Final answer
    x = 5,279.28

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Double scale
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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.