Home / 12,553.88-17,324.42-6,889.16

Finding the Fourth Proportional to 12,553.88, 17,324.42 and 6,889.16

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Solution

The fourth proportional to 12,553.88, 17,324.42 and 6,889.16 is: 9,507.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.88 : 17,324.42 = 6,889.16 : x
  2. Step 2: Convert to fraction form
    12,553.88/17,324.42 = 6,889.16/x
  3. Step 3: Cross multiply
    12,553.88x = 17,324.42 × 6,889.16
  4. Step 4: Simplify right side
    12,553.88x = 119,350,710.15
  5. Step 5: Solve for x
    x = 119,350,710.15/12,553.88
  6. Step 6: Final answer
    x = 9,507.08

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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.