Home / 11,621.65-17,432.35-5,052.55

Finding the Fourth Proportional to 11,621.65, 17,432.35 and 5,052.55

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Solution

The fourth proportional to 11,621.65, 17,432.35 and 5,052.55 is: 7,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.65 : 17,432.35 = 5,052.55 : x
  2. Step 2: Convert to fraction form
    11,621.65/17,432.35 = 5,052.55/x
  3. Step 3: Cross multiply
    11,621.65x = 17,432.35 × 5,052.55
  4. Step 4: Simplify right side
    11,621.65x = 88,077,819.99
  5. Step 5: Solve for x
    x = 88,077,819.99/11,621.65
  6. Step 6: Final answer
    x = 7,578.77

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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.