Home / 12,108.28-16,708.66-7,073.93

Finding the Fourth Proportional to 12,108.28, 16,708.66 and 7,073.93

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Solution

The fourth proportional to 12,108.28, 16,708.66 and 7,073.93 is: 9,761.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108.28 : 16,708.66 = 7,073.93 : x
  2. Step 2: Convert to fraction form
    12,108.28/16,708.66 = 7,073.93/x
  3. Step 3: Cross multiply
    12,108.28x = 16,708.66 × 7,073.93
  4. Step 4: Simplify right side
    12,108.28x = 118,195,790.01
  5. Step 5: Solve for x
    x = 118,195,790.01/12,108.28
  6. Step 6: Final answer
    x = 9,761.57

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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.