Home / 11,081.18-15,291.78-6,045.45

Finding the Fourth Proportional to 11,081.18, 15,291.78 and 6,045.45

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Solution

The fourth proportional to 11,081.18, 15,291.78 and 6,045.45 is: 8,342.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.18 : 15,291.78 = 6,045.45 : x
  2. Step 2: Convert to fraction form
    11,081.18/15,291.78 = 6,045.45/x
  3. Step 3: Cross multiply
    11,081.18x = 15,291.78 × 6,045.45
  4. Step 4: Simplify right side
    11,081.18x = 92,445,691.40
  5. Step 5: Solve for x
    x = 92,445,691.40/11,081.18
  6. Step 6: Final answer
    x = 8,342.59

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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.