Home / 12,325.50-18,488.07-5,748

Finding the Fourth Proportional to 12,325.50, 18,488.07 and 5,748

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Solution

The fourth proportional to 12,325.50, 18,488.07 and 5,748 is: 8,621.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.50 : 18,488.07 = 5,748 : x
  2. Step 2: Convert to fraction form
    12,325.50/18,488.07 = 5,748/x
  3. Step 3: Cross multiply
    12,325.50x = 18,488.07 × 5,748
  4. Step 4: Simplify right side
    12,325.50x = 106,269,426.36
  5. Step 5: Solve for x
    x = 106,269,426.36/12,325.50
  6. Step 6: Final answer
    x = 8,621.92

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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.