Home / 8,630.48-11,915.15-8,132.27

Finding the Fourth Proportional to 8,630.48, 11,915.15 and 8,132.27

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Solution

The fourth proportional to 8,630.48, 11,915.15 and 8,132.27 is: 11,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.48 : 11,915.15 = 8,132.27 : x
  2. Step 2: Convert to fraction form
    8,630.48/11,915.15 = 8,132.27/x
  3. Step 3: Cross multiply
    8,630.48x = 11,915.15 × 8,132.27
  4. Step 4: Simplify right side
    8,630.48x = 96,897,162.40
  5. Step 5: Solve for x
    x = 96,897,162.40/8,630.48
  6. Step 6: Final answer
    x = 11,227.32

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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.