Home / 9,531.89-13,147.42-6,542.54

Finding the Fourth Proportional to 9,531.89, 13,147.42 and 6,542.54

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Solution

The fourth proportional to 9,531.89, 13,147.42 and 6,542.54 is: 9,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.89 : 13,147.42 = 6,542.54 : x
  2. Step 2: Convert to fraction form
    9,531.89/13,147.42 = 6,542.54/x
  3. Step 3: Cross multiply
    9,531.89x = 13,147.42 × 6,542.54
  4. Step 4: Simplify right side
    9,531.89x = 86,017,519.12
  5. Step 5: Solve for x
    x = 86,017,519.12/9,531.89
  6. Step 6: Final answer
    x = 9,024.18

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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.