Home / 8,151.23-12,240.44-5,499.90

Finding the Fourth Proportional to 8,151.23, 12,240.44 and 5,499.90

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Solution

The fourth proportional to 8,151.23, 12,240.44 and 5,499.90 is: 8,259.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.23 : 12,240.44 = 5,499.90 : x
  2. Step 2: Convert to fraction form
    8,151.23/12,240.44 = 5,499.90/x
  3. Step 3: Cross multiply
    8,151.23x = 12,240.44 × 5,499.90
  4. Step 4: Simplify right side
    8,151.23x = 67,321,204.55
  5. Step 5: Solve for x
    x = 67,321,204.55/8,151.23
  6. Step 6: Final answer
    x = 8,259.02

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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.