Home / 8,496.60-12,720.27-5,531.85

Finding the Fourth Proportional to 8,496.60, 12,720.27 and 5,531.85

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Solution

The fourth proportional to 8,496.60, 12,720.27 and 5,531.85 is: 8,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496.60 : 12,720.27 = 5,531.85 : x
  2. Step 2: Convert to fraction form
    8,496.60/12,720.27 = 5,531.85/x
  3. Step 3: Cross multiply
    8,496.60x = 12,720.27 × 5,531.85
  4. Step 4: Simplify right side
    8,496.60x = 70,366,625.60
  5. Step 5: Solve for x
    x = 70,366,625.60/8,496.60
  6. Step 6: Final answer
    x = 8,281.74

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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.