Home / 10,167.29-15,252.56-3,147.02

Finding the Fourth Proportional to 10,167.29, 15,252.56 and 3,147.02

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Solution

The fourth proportional to 10,167.29, 15,252.56 and 3,147.02 is: 4,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.29 : 15,252.56 = 3,147.02 : x
  2. Step 2: Convert to fraction form
    10,167.29/15,252.56 = 3,147.02/x
  3. Step 3: Cross multiply
    10,167.29x = 15,252.56 × 3,147.02
  4. Step 4: Simplify right side
    10,167.29x = 48,000,019.37
  5. Step 5: Solve for x
    x = 48,000,019.37/10,167.29
  6. Step 6: Final answer
    x = 4,721.03

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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.