Home / 11,343.27-15,650.10-6,865.59

Finding the Fourth Proportional to 11,343.27, 15,650.10 and 6,865.59

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Solution

The fourth proportional to 11,343.27, 15,650.10 and 6,865.59 is: 9,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.27 : 15,650.10 = 6,865.59 : x
  2. Step 2: Convert to fraction form
    11,343.27/15,650.10 = 6,865.59/x
  3. Step 3: Cross multiply
    11,343.27x = 15,650.10 × 6,865.59
  4. Step 4: Simplify right side
    11,343.27x = 107,447,170.06
  5. Step 5: Solve for x
    x = 107,447,170.06/11,343.27
  6. Step 6: Final answer
    x = 9,472.33

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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.