Home / 11,397.44-15,723.66-6,919.46

Finding the Fourth Proportional to 11,397.44, 15,723.66 and 6,919.46

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Solution

The fourth proportional to 11,397.44, 15,723.66 and 6,919.46 is: 9,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.44 : 15,723.66 = 6,919.46 : x
  2. Step 2: Convert to fraction form
    11,397.44/15,723.66 = 6,919.46/x
  3. Step 3: Cross multiply
    11,397.44x = 15,723.66 × 6,919.46
  4. Step 4: Simplify right side
    11,397.44x = 108,799,236.42
  5. Step 5: Solve for x
    x = 108,799,236.42/11,397.44
  6. Step 6: Final answer
    x = 9,545.94

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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.