Home / 12,425.23-17,150.03-8,649.01

Finding the Fourth Proportional to 12,425.23, 17,150.03 and 8,649.01

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Solution

The fourth proportional to 12,425.23, 17,150.03 and 8,649.01 is: 11,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.23 : 17,150.03 = 8,649.01 : x
  2. Step 2: Convert to fraction form
    12,425.23/17,150.03 = 8,649.01/x
  3. Step 3: Cross multiply
    12,425.23x = 17,150.03 × 8,649.01
  4. Step 4: Simplify right side
    12,425.23x = 148,330,780.97
  5. Step 5: Solve for x
    x = 148,330,780.97/12,425.23
  6. Step 6: Final answer
    x = 11,937.87

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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.