Home / 10,209.24-15,306.65-3,964.06

Finding the Fourth Proportional to 10,209.24, 15,306.65 and 3,964.06

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Solution

The fourth proportional to 10,209.24, 15,306.65 and 3,964.06 is: 5,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.24 : 15,306.65 = 3,964.06 : x
  2. Step 2: Convert to fraction form
    10,209.24/15,306.65 = 3,964.06/x
  3. Step 3: Cross multiply
    10,209.24x = 15,306.65 × 3,964.06
  4. Step 4: Simplify right side
    10,209.24x = 60,676,479.00
  5. Step 5: Solve for x
    x = 60,676,479.00/10,209.24
  6. Step 6: Final answer
    x = 5,943.29

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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.