Home / 11,531.40-17,297.08-3,740.52

Finding the Fourth Proportional to 11,531.40, 17,297.08 and 3,740.52

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Solution

The fourth proportional to 11,531.40, 17,297.08 and 3,740.52 is: 5,610.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.40 : 17,297.08 = 3,740.52 : x
  2. Step 2: Convert to fraction form
    11,531.40/17,297.08 = 3,740.52/x
  3. Step 3: Cross multiply
    11,531.40x = 17,297.08 × 3,740.52
  4. Step 4: Simplify right side
    11,531.40x = 64,700,073.68
  5. Step 5: Solve for x
    x = 64,700,073.68/11,531.40
  6. Step 6: Final answer
    x = 5,610.77

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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.