Home / 11,864.22-16,370.82-7,082.70

Finding the Fourth Proportional to 11,864.22, 16,370.82 and 7,082.70

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Solution

The fourth proportional to 11,864.22, 16,370.82 and 7,082.70 is: 9,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.22 : 16,370.82 = 7,082.70 : x
  2. Step 2: Convert to fraction form
    11,864.22/16,370.82 = 7,082.70/x
  3. Step 3: Cross multiply
    11,864.22x = 16,370.82 × 7,082.70
  4. Step 4: Simplify right side
    11,864.22x = 115,949,606.81
  5. Step 5: Solve for x
    x = 115,949,606.81/11,864.22
  6. Step 6: Final answer
    x = 9,773.05

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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.