Home / 11,325.49-16,981.51-4,306.02

Finding the Fourth Proportional to 11,325.49, 16,981.51 and 4,306.02

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Solution

The fourth proportional to 11,325.49, 16,981.51 and 4,306.02 is: 6,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.49 : 16,981.51 = 4,306.02 : x
  2. Step 2: Convert to fraction form
    11,325.49/16,981.51 = 4,306.02/x
  3. Step 3: Cross multiply
    11,325.49x = 16,981.51 × 4,306.02
  4. Step 4: Simplify right side
    11,325.49x = 73,122,769.68
  5. Step 5: Solve for x
    x = 73,122,769.68/11,325.49
  6. Step 6: Final answer
    x = 6,456.47

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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.