Home / 9,215.62-12,717.56-5,023.88

Finding the Fourth Proportional to 9,215.62, 12,717.56 and 5,023.88

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Solution

The fourth proportional to 9,215.62, 12,717.56 and 5,023.88 is: 6,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.62 : 12,717.56 = 5,023.88 : x
  2. Step 2: Convert to fraction form
    9,215.62/12,717.56 = 5,023.88/x
  3. Step 3: Cross multiply
    9,215.62x = 12,717.56 × 5,023.88
  4. Step 4: Simplify right side
    9,215.62x = 63,891,495.33
  5. Step 5: Solve for x
    x = 63,891,495.33/9,215.62
  6. Step 6: Final answer
    x = 6,932.96

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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.