Home / 8,298.75-12,423.53-5,001.85

Finding the Fourth Proportional to 8,298.75, 12,423.53 and 5,001.85

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Solution

The fourth proportional to 8,298.75, 12,423.53 and 5,001.85 is: 7,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.75 : 12,423.53 = 5,001.85 : x
  2. Step 2: Convert to fraction form
    8,298.75/12,423.53 = 5,001.85/x
  3. Step 3: Cross multiply
    8,298.75x = 12,423.53 × 5,001.85
  4. Step 4: Simplify right side
    8,298.75x = 62,140,633.43
  5. Step 5: Solve for x
    x = 62,140,633.43/8,298.75
  6. Step 6: Final answer
    x = 7,487.95

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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.