Home / 11,102.57-15,321.36-6,066.68

Finding the Fourth Proportional to 11,102.57, 15,321.36 and 6,066.68

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Solution

The fourth proportional to 11,102.57, 15,321.36 and 6,066.68 is: 8,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.57 : 15,321.36 = 6,066.68 : x
  2. Step 2: Convert to fraction form
    11,102.57/15,321.36 = 6,066.68/x
  3. Step 3: Cross multiply
    11,102.57x = 15,321.36 × 6,066.68
  4. Step 4: Simplify right side
    11,102.57x = 92,949,769.13
  5. Step 5: Solve for x
    x = 92,949,769.13/11,102.57
  6. Step 6: Final answer
    x = 8,371.92

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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.