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Finding the Fourth Proportional to 8,937.74, 12,334.83 and 4,959.23

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Solution

The fourth proportional to 8,937.74, 12,334.83 and 4,959.23 is: 6,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.74 : 12,334.83 = 4,959.23 : x
  2. Step 2: Convert to fraction form
    8,937.74/12,334.83 = 4,959.23/x
  3. Step 3: Cross multiply
    8,937.74x = 12,334.83 × 4,959.23
  4. Step 4: Simplify right side
    8,937.74x = 61,171,206.61
  5. Step 5: Solve for x
    x = 61,171,206.61/8,937.74
  6. Step 6: Final answer
    x = 6,844.15

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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.