Home / 11,060.18-15,282.48-8,840.38

Finding the Fourth Proportional to 11,060.18, 15,282.48 and 8,840.38

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Solution

The fourth proportional to 11,060.18, 15,282.48 and 8,840.38 is: 12,215.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,060.18 : 15,282.48 = 8,840.38 : x
  2. Step 2: Convert to fraction form
    11,060.18/15,282.48 = 8,840.38/x
  3. Step 3: Cross multiply
    11,060.18x = 15,282.48 × 8,840.38
  4. Step 4: Simplify right side
    11,060.18x = 135,102,930.54
  5. Step 5: Solve for x
    x = 135,102,930.54/11,060.18
  6. Step 6: Final answer
    x = 12,215.26

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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.