Home / 10,971.13-16,456.69-2,763.13

Finding the Fourth Proportional to 10,971.13, 16,456.69 and 2,763.13

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Solution

The fourth proportional to 10,971.13, 16,456.69 and 2,763.13 is: 4,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.13 : 16,456.69 = 2,763.13 : x
  2. Step 2: Convert to fraction form
    10,971.13/16,456.69 = 2,763.13/x
  3. Step 3: Cross multiply
    10,971.13x = 16,456.69 × 2,763.13
  4. Step 4: Simplify right side
    10,971.13x = 45,471,973.84
  5. Step 5: Solve for x
    x = 45,471,973.84/10,971.13
  6. Step 6: Final answer
    x = 4,144.69

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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.