Home / 10,425.23-15,638.87-3,027.70

Finding the Fourth Proportional to 10,425.23, 15,638.87 and 3,027.70

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Solution

The fourth proportional to 10,425.23, 15,638.87 and 3,027.70 is: 4,541.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.23 : 15,638.87 = 3,027.70 : x
  2. Step 2: Convert to fraction form
    10,425.23/15,638.87 = 3,027.70/x
  3. Step 3: Cross multiply
    10,425.23x = 15,638.87 × 3,027.70
  4. Step 4: Simplify right side
    10,425.23x = 47,349,877.80
  5. Step 5: Solve for x
    x = 47,349,877.80/10,425.23
  6. Step 6: Final answer
    x = 4,541.85

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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.