Home / 12,833.13-17,709.16-7,168.53

Finding the Fourth Proportional to 12,833.13, 17,709.16 and 7,168.53

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Solution

The fourth proportional to 12,833.13, 17,709.16 and 7,168.53 is: 9,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833.13 : 17,709.16 = 7,168.53 : x
  2. Step 2: Convert to fraction form
    12,833.13/17,709.16 = 7,168.53/x
  3. Step 3: Cross multiply
    12,833.13x = 17,709.16 × 7,168.53
  4. Step 4: Simplify right side
    12,833.13x = 126,948,644.73
  5. Step 5: Solve for x
    x = 126,948,644.73/12,833.13
  6. Step 6: Final answer
    x = 9,892.26

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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.