Home / 10,905.76-15,049.94-5,937.76

Finding the Fourth Proportional to 10,905.76, 15,049.94 and 5,937.76

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Solution

The fourth proportional to 10,905.76, 15,049.94 and 5,937.76 is: 8,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.76 : 15,049.94 = 5,937.76 : x
  2. Step 2: Convert to fraction form
    10,905.76/15,049.94 = 5,937.76/x
  3. Step 3: Cross multiply
    10,905.76x = 15,049.94 × 5,937.76
  4. Step 4: Simplify right side
    10,905.76x = 89,362,931.73
  5. Step 5: Solve for x
    x = 89,362,931.73/10,905.76
  6. Step 6: Final answer
    x = 8,194.10

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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.