Home / 8,230.42-11,353.05-6,248.74

Finding the Fourth Proportional to 8,230.42, 11,353.05 and 6,248.74

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Solution

The fourth proportional to 8,230.42, 11,353.05 and 6,248.74 is: 8,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.42 : 11,353.05 = 6,248.74 : x
  2. Step 2: Convert to fraction form
    8,230.42/11,353.05 = 6,248.74/x
  3. Step 3: Cross multiply
    8,230.42x = 11,353.05 × 6,248.74
  4. Step 4: Simplify right side
    8,230.42x = 70,942,257.66
  5. Step 5: Solve for x
    x = 70,942,257.66/8,230.42
  6. Step 6: Final answer
    x = 8,619.52

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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.