Home / 10,974.66-16,465.69-3,479.45

Finding the Fourth Proportional to 10,974.66, 16,465.69 and 3,479.45

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Solution

The fourth proportional to 10,974.66, 16,465.69 and 3,479.45 is: 5,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.66 : 16,465.69 = 3,479.45 : x
  2. Step 2: Convert to fraction form
    10,974.66/16,465.69 = 3,479.45/x
  3. Step 3: Cross multiply
    10,974.66x = 16,465.69 × 3,479.45
  4. Step 4: Simplify right side
    10,974.66x = 57,291,454.04
  5. Step 5: Solve for x
    x = 57,291,454.04/10,974.66
  6. Step 6: Final answer
    x = 5,220.34

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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.