Home / 12,063.64-18,085.20-5,487.52

Finding the Fourth Proportional to 12,063.64, 18,085.20 and 5,487.52

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Solution

The fourth proportional to 12,063.64, 18,085.20 and 5,487.52 is: 8,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.64 : 18,085.20 = 5,487.52 : x
  2. Step 2: Convert to fraction form
    12,063.64/18,085.20 = 5,487.52/x
  3. Step 3: Cross multiply
    12,063.64x = 18,085.20 × 5,487.52
  4. Step 4: Simplify right side
    12,063.64x = 99,242,896.70
  5. Step 5: Solve for x
    x = 99,242,896.70/12,063.64
  6. Step 6: Final answer
    x = 8,226.61

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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.