Home / 15,637.12-23,458.11-5,251.30

Finding the Fourth Proportional to 15,637.12, 23,458.11 and 5,251.30

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Solution

The fourth proportional to 15,637.12, 23,458.11 and 5,251.30 is: 7,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637.12 : 23,458.11 = 5,251.30 : x
  2. Step 2: Convert to fraction form
    15,637.12/23,458.11 = 5,251.30/x
  3. Step 3: Cross multiply
    15,637.12x = 23,458.11 × 5,251.30
  4. Step 4: Simplify right side
    15,637.12x = 123,185,573.04
  5. Step 5: Solve for x
    x = 123,185,573.04/15,637.12
  6. Step 6: Final answer
    x = 7,877.77

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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.