Home / 12,765.06-17,616.83-8,937.11

Finding the Fourth Proportional to 12,765.06, 17,616.83 and 8,937.11

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Solution

The fourth proportional to 12,765.06, 17,616.83 and 8,937.11 is: 12,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765.06 : 17,616.83 = 8,937.11 : x
  2. Step 2: Convert to fraction form
    12,765.06/17,616.83 = 8,937.11/x
  3. Step 3: Cross multiply
    12,765.06x = 17,616.83 × 8,937.11
  4. Step 4: Simplify right side
    12,765.06x = 157,443,546.92
  5. Step 5: Solve for x
    x = 157,443,546.92/12,765.06
  6. Step 6: Final answer
    x = 12,333.94

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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.