Home / 8,531.10-11,772.99-4,754.70

Finding the Fourth Proportional to 8,531.10, 11,772.99 and 4,754.70

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Solution

The fourth proportional to 8,531.10, 11,772.99 and 4,754.70 is: 6,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.10 : 11,772.99 = 4,754.70 : x
  2. Step 2: Convert to fraction form
    8,531.10/11,772.99 = 4,754.70/x
  3. Step 3: Cross multiply
    8,531.10x = 11,772.99 × 4,754.70
  4. Step 4: Simplify right side
    8,531.10x = 55,977,035.55
  5. Step 5: Solve for x
    x = 55,977,035.55/8,531.10
  6. Step 6: Final answer
    x = 6,561.53

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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.