Home / 11,053.15-16,557.51-5,489.66

Finding the Fourth Proportional to 11,053.15, 16,557.51 and 5,489.66

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Solution

The fourth proportional to 11,053.15, 16,557.51 and 5,489.66 is: 8,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.15 : 16,557.51 = 5,489.66 : x
  2. Step 2: Convert to fraction form
    11,053.15/16,557.51 = 5,489.66/x
  3. Step 3: Cross multiply
    11,053.15x = 16,557.51 × 5,489.66
  4. Step 4: Simplify right side
    11,053.15x = 90,895,162.33
  5. Step 5: Solve for x
    x = 90,895,162.33/11,053.15
  6. Step 6: Final answer
    x = 8,223.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.