Home / 8,077.50-12,132.54-6,222.24

Finding the Fourth Proportional to 8,077.50, 12,132.54 and 6,222.24

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Solution

The fourth proportional to 8,077.50, 12,132.54 and 6,222.24 is: 9,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.50 : 12,132.54 = 6,222.24 : x
  2. Step 2: Convert to fraction form
    8,077.50/12,132.54 = 6,222.24/x
  3. Step 3: Cross multiply
    8,077.50x = 12,132.54 × 6,222.24
  4. Step 4: Simplify right side
    8,077.50x = 75,491,575.69
  5. Step 5: Solve for x
    x = 75,491,575.69/8,077.50
  6. Step 6: Final answer
    x = 9,345.91

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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.