Home / 8,878.26-12,251.98-6,524.80

Finding the Fourth Proportional to 8,878.26, 12,251.98 and 6,524.80

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Solution

The fourth proportional to 8,878.26, 12,251.98 and 6,524.80 is: 9,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.26 : 12,251.98 = 6,524.80 : x
  2. Step 2: Convert to fraction form
    8,878.26/12,251.98 = 6,524.80/x
  3. Step 3: Cross multiply
    8,878.26x = 12,251.98 × 6,524.80
  4. Step 4: Simplify right side
    8,878.26x = 79,941,719.10
  5. Step 5: Solve for x
    x = 79,941,719.10/8,878.26
  6. Step 6: Final answer
    x = 9,004.21

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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.