Home / 8,680.02-13,024.77-3,681.61

Finding the Fourth Proportional to 8,680.02, 13,024.77 and 3,681.61

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Solution

The fourth proportional to 8,680.02, 13,024.77 and 3,681.61 is: 5,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.02 : 13,024.77 = 3,681.61 : x
  2. Step 2: Convert to fraction form
    8,680.02/13,024.77 = 3,681.61/x
  3. Step 3: Cross multiply
    8,680.02x = 13,024.77 × 3,681.61
  4. Step 4: Simplify right side
    8,680.02x = 47,952,150.38
  5. Step 5: Solve for x
    x = 47,952,150.38/8,680.02
  6. Step 6: Final answer
    x = 5,524.43

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1.5x scale

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.