Home / 10,874.73-15,005.07-10,321.10

Finding the Fourth Proportional to 10,874.73, 15,005.07 and 10,321.10

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Solution

The fourth proportional to 10,874.73, 15,005.07 and 10,321.10 is: 14,241.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.73 : 15,005.07 = 10,321.10 : x
  2. Step 2: Convert to fraction form
    10,874.73/15,005.07 = 10,321.10/x
  3. Step 3: Cross multiply
    10,874.73x = 15,005.07 × 10,321.10
  4. Step 4: Simplify right side
    10,874.73x = 154,868,827.98
  5. Step 5: Solve for x
    x = 154,868,827.98/10,874.73
  6. Step 6: Final answer
    x = 14,241.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.