Home / 11,261.88-15,540.24-6,545.76

Finding the Fourth Proportional to 11,261.88, 15,540.24 and 6,545.76

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Solution

The fourth proportional to 11,261.88, 15,540.24 and 6,545.76 is: 9,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.88 : 15,540.24 = 6,545.76 : x
  2. Step 2: Convert to fraction form
    11,261.88/15,540.24 = 6,545.76/x
  3. Step 3: Cross multiply
    11,261.88x = 15,540.24 × 6,545.76
  4. Step 4: Simplify right side
    11,261.88x = 101,722,681.38
  5. Step 5: Solve for x
    x = 101,722,681.38/11,261.88
  6. Step 6: Final answer
    x = 9,032.48

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Half scale
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Double scale
Find fourth proportional to 11,262.88, 15,541.62 and 6,546.76
Similar ratio
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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.