Home / 11,177.33-15,425.10-6,142.02

Finding the Fourth Proportional to 11,177.33, 15,425.10 and 6,142.02

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Solution

The fourth proportional to 11,177.33, 15,425.10 and 6,142.02 is: 8,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.33 : 15,425.10 = 6,142.02 : x
  2. Step 2: Convert to fraction form
    11,177.33/15,425.10 = 6,142.02/x
  3. Step 3: Cross multiply
    11,177.33x = 15,425.10 × 6,142.02
  4. Step 4: Simplify right side
    11,177.33x = 94,741,272.70
  5. Step 5: Solve for x
    x = 94,741,272.70/11,177.33
  6. Step 6: Final answer
    x = 8,476.20

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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.