Home / 8,255.17-11,393.49-5,272.48

Finding the Fourth Proportional to 8,255.17, 11,393.49 and 5,272.48

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Solution

The fourth proportional to 8,255.17, 11,393.49 and 5,272.48 is: 7,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.17 : 11,393.49 = 5,272.48 : x
  2. Step 2: Convert to fraction form
    8,255.17/11,393.49 = 5,272.48/x
  3. Step 3: Cross multiply
    8,255.17x = 11,393.49 × 5,272.48
  4. Step 4: Simplify right side
    8,255.17x = 60,071,948.16
  5. Step 5: Solve for x
    x = 60,071,948.16/8,255.17
  6. Step 6: Final answer
    x = 7,276.89

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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.