Home / 15,505.38-23,261.70-5,117.12

Finding the Fourth Proportional to 15,505.38, 23,261.70 and 5,117.12

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Solution

The fourth proportional to 15,505.38, 23,261.70 and 5,117.12 is: 7,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.38 : 23,261.70 = 5,117.12 : x
  2. Step 2: Convert to fraction form
    15,505.38/23,261.70 = 5,117.12/x
  3. Step 3: Cross multiply
    15,505.38x = 23,261.70 × 5,117.12
  4. Step 4: Simplify right side
    15,505.38x = 119,032,910.30
  5. Step 5: Solve for x
    x = 119,032,910.30/15,505.38
  6. Step 6: Final answer
    x = 7,676.88

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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.