Home / 8,781.24-12,118.02-4,802.52

Finding the Fourth Proportional to 8,781.24, 12,118.02 and 4,802.52

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Solution

The fourth proportional to 8,781.24, 12,118.02 and 4,802.52 is: 6,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.24 : 12,118.02 = 4,802.52 : x
  2. Step 2: Convert to fraction form
    8,781.24/12,118.02 = 4,802.52/x
  3. Step 3: Cross multiply
    8,781.24x = 12,118.02 × 4,802.52
  4. Step 4: Simplify right side
    8,781.24x = 58,197,033.41
  5. Step 5: Solve for x
    x = 58,197,033.41/8,781.24
  6. Step 6: Final answer
    x = 6,627.43

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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.