Home / 9,374.68-12,938-5,395.96

Finding the Fourth Proportional to 9,374.68, 12,938 and 5,395.96

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Solution

The fourth proportional to 9,374.68, 12,938 and 5,395.96 is: 7,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.68 : 12,938 = 5,395.96 : x
  2. Step 2: Convert to fraction form
    9,374.68/12,938 = 5,395.96/x
  3. Step 3: Cross multiply
    9,374.68x = 12,938 × 5,395.96
  4. Step 4: Simplify right side
    9,374.68x = 69,812,930.48
  5. Step 5: Solve for x
    x = 69,812,930.48/9,374.68
  6. Step 6: Final answer
    x = 7,446.97

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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.