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Finding the Fourth Proportional to 8,937.70, 12,334.14 and 4,958.71

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Solution

The fourth proportional to 8,937.70, 12,334.14 and 4,958.71 is: 6,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.70 : 12,334.14 = 4,958.71 : x
  2. Step 2: Convert to fraction form
    8,937.70/12,334.14 = 4,958.71/x
  3. Step 3: Cross multiply
    8,937.70x = 12,334.14 × 4,958.71
  4. Step 4: Simplify right side
    8,937.70x = 61,161,392.52
  5. Step 5: Solve for x
    x = 61,161,392.52/8,937.70
  6. Step 6: Final answer
    x = 6,843.08

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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.