Home / 10,106.38-13,947.23-5,630.13

Finding the Fourth Proportional to 10,106.38, 13,947.23 and 5,630.13

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Solution

The fourth proportional to 10,106.38, 13,947.23 and 5,630.13 is: 7,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.38 : 13,947.23 = 5,630.13 : x
  2. Step 2: Convert to fraction form
    10,106.38/13,947.23 = 5,630.13/x
  3. Step 3: Cross multiply
    10,106.38x = 13,947.23 × 5,630.13
  4. Step 4: Simplify right side
    10,106.38x = 78,524,779.26
  5. Step 5: Solve for x
    x = 78,524,779.26/10,106.38
  6. Step 6: Final answer
    x = 7,769.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.