Home / 10,443.16-15,664.74-3,522.52

Finding the Fourth Proportional to 10,443.16, 15,664.74 and 3,522.52

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Solution

The fourth proportional to 10,443.16, 15,664.74 and 3,522.52 is: 5,283.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.16 : 15,664.74 = 3,522.52 : x
  2. Step 2: Convert to fraction form
    10,443.16/15,664.74 = 3,522.52/x
  3. Step 3: Cross multiply
    10,443.16x = 15,664.74 × 3,522.52
  4. Step 4: Simplify right side
    10,443.16x = 55,179,359.94
  5. Step 5: Solve for x
    x = 55,179,359.94/10,443.16
  6. Step 6: Final answer
    x = 5,283.78

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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.