Home / 9,378.73-14,061.09-5,680.06

Finding the Fourth Proportional to 9,378.73, 14,061.09 and 5,680.06

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Solution

The fourth proportional to 9,378.73, 14,061.09 and 5,680.06 is: 8,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.73 : 14,061.09 = 5,680.06 : x
  2. Step 2: Convert to fraction form
    9,378.73/14,061.09 = 5,680.06/x
  3. Step 3: Cross multiply
    9,378.73x = 14,061.09 × 5,680.06
  4. Step 4: Simplify right side
    9,378.73x = 79,867,834.87
  5. Step 5: Solve for x
    x = 79,867,834.87/9,378.73
  6. Step 6: Final answer
    x = 8,515.85

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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.