Home / 10,512.04-15,767.98-3,116.56

Finding the Fourth Proportional to 10,512.04, 15,767.98 and 3,116.56

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Solution

The fourth proportional to 10,512.04, 15,767.98 and 3,116.56 is: 4,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.04 : 15,767.98 = 3,116.56 : x
  2. Step 2: Convert to fraction form
    10,512.04/15,767.98 = 3,116.56/x
  3. Step 3: Cross multiply
    10,512.04x = 15,767.98 × 3,116.56
  4. Step 4: Simplify right side
    10,512.04x = 49,141,855.75
  5. Step 5: Solve for x
    x = 49,141,855.75/10,512.04
  6. Step 6: Final answer
    x = 4,674.82

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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.