Home / 10,712.75-16,068.92-2,921.58

Finding the Fourth Proportional to 10,712.75, 16,068.92 and 2,921.58

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Solution

The fourth proportional to 10,712.75, 16,068.92 and 2,921.58 is: 4,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.75 : 16,068.92 = 2,921.58 : x
  2. Step 2: Convert to fraction form
    10,712.75/16,068.92 = 2,921.58/x
  3. Step 3: Cross multiply
    10,712.75x = 16,068.92 × 2,921.58
  4. Step 4: Simplify right side
    10,712.75x = 46,946,620.69
  5. Step 5: Solve for x
    x = 46,946,620.69/10,712.75
  6. Step 6: Final answer
    x = 4,382.31

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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.