Home / 10,656.84-15,983.46-2,863.92

Finding the Fourth Proportional to 10,656.84, 15,983.46 and 2,863.92

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Solution

The fourth proportional to 10,656.84, 15,983.46 and 2,863.92 is: 4,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.84 : 15,983.46 = 2,863.92 : x
  2. Step 2: Convert to fraction form
    10,656.84/15,983.46 = 2,863.92/x
  3. Step 3: Cross multiply
    10,656.84x = 15,983.46 × 2,863.92
  4. Step 4: Simplify right side
    10,656.84x = 45,775,350.76
  5. Step 5: Solve for x
    x = 45,775,350.76/10,656.84
  6. Step 6: Final answer
    x = 4,295.40

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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.