Home / 11,617.20-16,032.53-6,581.47

Finding the Fourth Proportional to 11,617.20, 16,032.53 and 6,581.47

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Solution

The fourth proportional to 11,617.20, 16,032.53 and 6,581.47 is: 9,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.20 : 16,032.53 = 6,581.47 : x
  2. Step 2: Convert to fraction form
    11,617.20/16,032.53 = 6,581.47/x
  3. Step 3: Cross multiply
    11,617.20x = 16,032.53 × 6,581.47
  4. Step 4: Simplify right side
    11,617.20x = 105,517,535.06
  5. Step 5: Solve for x
    x = 105,517,535.06/11,617.20
  6. Step 6: Final answer
    x = 9,082.87

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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.