Home / 27,177.10-40,761.28-7,451.08

Finding the Fourth Proportional to 27,177.10, 40,761.28 and 7,451.08

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Solution

The fourth proportional to 27,177.10, 40,761.28 and 7,451.08 is: 11,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,177.10 : 40,761.28 = 7,451.08 : x
  2. Step 2: Convert to fraction form
    27,177.10/40,761.28 = 7,451.08/x
  3. Step 3: Cross multiply
    27,177.10x = 40,761.28 × 7,451.08
  4. Step 4: Simplify right side
    27,177.10x = 303,715,558.18
  5. Step 5: Solve for x
    x = 303,715,558.18/27,177.10
  6. Step 6: Final answer
    x = 11,175.42

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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.