Home / 10,579.62-15,869.55-3,652.50

Finding the Fourth Proportional to 10,579.62, 15,869.55 and 3,652.50

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Solution

The fourth proportional to 10,579.62, 15,869.55 and 3,652.50 is: 5,478.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.62 : 15,869.55 = 3,652.50 : x
  2. Step 2: Convert to fraction form
    10,579.62/15,869.55 = 3,652.50/x
  3. Step 3: Cross multiply
    10,579.62x = 15,869.55 × 3,652.50
  4. Step 4: Simplify right side
    10,579.62x = 57,963,531.38
  5. Step 5: Solve for x
    x = 57,963,531.38/10,579.62
  6. Step 6: Final answer
    x = 5,478.79

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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.