Home / 10,198.38-15,301.65-4,654.32

Finding the Fourth Proportional to 10,198.38, 15,301.65 and 4,654.32

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Solution

The fourth proportional to 10,198.38, 15,301.65 and 4,654.32 is: 6,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.38 : 15,301.65 = 4,654.32 : x
  2. Step 2: Convert to fraction form
    10,198.38/15,301.65 = 4,654.32/x
  3. Step 3: Cross multiply
    10,198.38x = 15,301.65 × 4,654.32
  4. Step 4: Simplify right side
    10,198.38x = 71,218,775.63
  5. Step 5: Solve for x
    x = 71,218,775.63/10,198.38
  6. Step 6: Final answer
    x = 6,983.34

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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.