Home / 11,270.80-15,542.19-7,494.58

Finding the Fourth Proportional to 11,270.80, 15,542.19 and 7,494.58

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Solution

The fourth proportional to 11,270.80, 15,542.19 and 7,494.58 is: 10,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.80 : 15,542.19 = 7,494.58 : x
  2. Step 2: Convert to fraction form
    11,270.80/15,542.19 = 7,494.58/x
  3. Step 3: Cross multiply
    11,270.80x = 15,542.19 × 7,494.58
  4. Step 4: Simplify right side
    11,270.80x = 116,482,260.01
  5. Step 5: Solve for x
    x = 116,482,260.01/11,270.80
  6. Step 6: Final answer
    x = 10,334.87

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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.