Home / 11,128.80-15,357.15-6,092.76

Finding the Fourth Proportional to 11,128.80, 15,357.15 and 6,092.76

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Solution

The fourth proportional to 11,128.80, 15,357.15 and 6,092.76 is: 8,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.80 : 15,357.15 = 6,092.76 : x
  2. Step 2: Convert to fraction form
    11,128.80/15,357.15 = 6,092.76/x
  3. Step 3: Cross multiply
    11,128.80x = 15,357.15 × 6,092.76
  4. Step 4: Simplify right side
    11,128.80x = 93,567,429.23
  5. Step 5: Solve for x
    x = 93,567,429.23/11,128.80
  6. Step 6: Final answer
    x = 8,407.68

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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.