Home / 8,976.42-12,398.57-6,335.62

Finding the Fourth Proportional to 8,976.42, 12,398.57 and 6,335.62

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Solution

The fourth proportional to 8,976.42, 12,398.57 and 6,335.62 is: 8,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.42 : 12,398.57 = 6,335.62 : x
  2. Step 2: Convert to fraction form
    8,976.42/12,398.57 = 6,335.62/x
  3. Step 3: Cross multiply
    8,976.42x = 12,398.57 × 6,335.62
  4. Step 4: Simplify right side
    8,976.42x = 78,552,589.15
  5. Step 5: Solve for x
    x = 78,552,589.15/8,976.42
  6. Step 6: Final answer
    x = 8,750.99

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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.