Home / 12,531.51-17,306.46-8,765.01

Finding the Fourth Proportional to 12,531.51, 17,306.46 and 8,765.01

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Solution

The fourth proportional to 12,531.51, 17,306.46 and 8,765.01 is: 12,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.51 : 17,306.46 = 8,765.01 : x
  2. Step 2: Convert to fraction form
    12,531.51/17,306.46 = 8,765.01/x
  3. Step 3: Cross multiply
    12,531.51x = 17,306.46 × 8,765.01
  4. Step 4: Simplify right side
    12,531.51x = 151,691,294.96
  5. Step 5: Solve for x
    x = 151,691,294.96/12,531.51
  6. Step 6: Final answer
    x = 12,104.79

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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.