Home / 10,548.28-15,822.28-3,152.80

Finding the Fourth Proportional to 10,548.28, 15,822.28 and 3,152.80

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Solution

The fourth proportional to 10,548.28, 15,822.28 and 3,152.80 is: 4,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.28 : 15,822.28 = 3,152.80 : x
  2. Step 2: Convert to fraction form
    10,548.28/15,822.28 = 3,152.80/x
  3. Step 3: Cross multiply
    10,548.28x = 15,822.28 × 3,152.80
  4. Step 4: Simplify right side
    10,548.28x = 49,884,484.38
  5. Step 5: Solve for x
    x = 49,884,484.38/10,548.28
  6. Step 6: Final answer
    x = 4,729.16

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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.