Home / 9,718.46-14,574.11-3,476.78

Finding the Fourth Proportional to 9,718.46, 14,574.11 and 3,476.78

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Solution

The fourth proportional to 9,718.46, 14,574.11 and 3,476.78 is: 5,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.46 : 14,574.11 = 3,476.78 : x
  2. Step 2: Convert to fraction form
    9,718.46/14,574.11 = 3,476.78/x
  3. Step 3: Cross multiply
    9,718.46x = 14,574.11 × 3,476.78
  4. Step 4: Simplify right side
    9,718.46x = 50,670,974.17
  5. Step 5: Solve for x
    x = 50,670,974.17/9,718.46
  6. Step 6: Final answer
    x = 5,213.89

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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.