Home / 10,974.70-16,467.29-5,130.46

Finding the Fourth Proportional to 10,974.70, 16,467.29 and 5,130.46

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Solution

The fourth proportional to 10,974.70, 16,467.29 and 5,130.46 is: 7,698.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.70 : 16,467.29 = 5,130.46 : x
  2. Step 2: Convert to fraction form
    10,974.70/16,467.29 = 5,130.46/x
  3. Step 3: Cross multiply
    10,974.70x = 16,467.29 × 5,130.46
  4. Step 4: Simplify right side
    10,974.70x = 84,484,772.65
  5. Step 5: Solve for x
    x = 84,484,772.65/10,974.70
  6. Step 6: Final answer
    x = 7,698.14

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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.