Home / 8,947.38-13,426.52-5,655.93

Finding the Fourth Proportional to 8,947.38, 13,426.52 and 5,655.93

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Solution

The fourth proportional to 8,947.38, 13,426.52 and 5,655.93 is: 8,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.38 : 13,426.52 = 5,655.93 : x
  2. Step 2: Convert to fraction form
    8,947.38/13,426.52 = 5,655.93/x
  3. Step 3: Cross multiply
    8,947.38x = 13,426.52 × 5,655.93
  4. Step 4: Simplify right side
    8,947.38x = 75,939,428.98
  5. Step 5: Solve for x
    x = 75,939,428.98/8,947.38
  6. Step 6: Final answer
    x = 8,487.34

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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.