Home / 11,407.32-15,741.94-6,371.61

Finding the Fourth Proportional to 11,407.32, 15,741.94 and 6,371.61

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Solution

The fourth proportional to 11,407.32, 15,741.94 and 6,371.61 is: 8,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.32 : 15,741.94 = 6,371.61 : x
  2. Step 2: Convert to fraction form
    11,407.32/15,741.94 = 6,371.61/x
  3. Step 3: Cross multiply
    11,407.32x = 15,741.94 × 6,371.61
  4. Step 4: Simplify right side
    11,407.32x = 100,301,535.59
  5. Step 5: Solve for x
    x = 100,301,535.59/11,407.32
  6. Step 6: Final answer
    x = 8,792.73

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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.