Home / 8,983.85-12,397.71-4,895.63

Finding the Fourth Proportional to 8,983.85, 12,397.71 and 4,895.63

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Solution

The fourth proportional to 8,983.85, 12,397.71 and 4,895.63 is: 6,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.85 : 12,397.71 = 4,895.63 : x
  2. Step 2: Convert to fraction form
    8,983.85/12,397.71 = 4,895.63/x
  3. Step 3: Cross multiply
    8,983.85x = 12,397.71 × 4,895.63
  4. Step 4: Simplify right side
    8,983.85x = 60,694,539.02
  5. Step 5: Solve for x
    x = 60,694,539.02/8,983.85
  6. Step 6: Final answer
    x = 6,755.96

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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.