Home / 10,188.28-15,283.50-3,615.04

Finding the Fourth Proportional to 10,188.28, 15,283.50 and 3,615.04

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Solution

The fourth proportional to 10,188.28, 15,283.50 and 3,615.04 is: 5,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.28 : 15,283.50 = 3,615.04 : x
  2. Step 2: Convert to fraction form
    10,188.28/15,283.50 = 3,615.04/x
  3. Step 3: Cross multiply
    10,188.28x = 15,283.50 × 3,615.04
  4. Step 4: Simplify right side
    10,188.28x = 55,250,463.84
  5. Step 5: Solve for x
    x = 55,250,463.84/10,188.28
  6. Step 6: Final answer
    x = 5,422.94

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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.