Home / 10,081.22-15,116.64-4,529.82

Finding the Fourth Proportional to 10,081.22, 15,116.64 and 4,529.82

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Solution

The fourth proportional to 10,081.22, 15,116.64 and 4,529.82 is: 6,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.22 : 15,116.64 = 4,529.82 : x
  2. Step 2: Convert to fraction form
    10,081.22/15,116.64 = 4,529.82/x
  3. Step 3: Cross multiply
    10,081.22x = 15,116.64 × 4,529.82
  4. Step 4: Simplify right side
    10,081.22x = 68,475,658.20
  5. Step 5: Solve for x
    x = 68,475,658.20/10,081.22
  6. Step 6: Final answer
    x = 6,792.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.