Home / 10,382.20-14,327.90-5,906.76

Finding the Fourth Proportional to 10,382.20, 14,327.90 and 5,906.76

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Solution

The fourth proportional to 10,382.20, 14,327.90 and 5,906.76 is: 8,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.20 : 14,327.90 = 5,906.76 : x
  2. Step 2: Convert to fraction form
    10,382.20/14,327.90 = 5,906.76/x
  3. Step 3: Cross multiply
    10,382.20x = 14,327.90 × 5,906.76
  4. Step 4: Simplify right side
    10,382.20x = 84,631,466.60
  5. Step 5: Solve for x
    x = 84,631,466.60/10,382.20
  6. Step 6: Final answer
    x = 8,151.59

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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.