Home / 10,712.50-16,068.96-2,921.52

Finding the Fourth Proportional to 10,712.50, 16,068.96 and 2,921.52

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Solution

The fourth proportional to 10,712.50, 16,068.96 and 2,921.52 is: 4,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.50 : 16,068.96 = 2,921.52 : x
  2. Step 2: Convert to fraction form
    10,712.50/16,068.96 = 2,921.52/x
  3. Step 3: Cross multiply
    10,712.50x = 16,068.96 × 2,921.52
  4. Step 4: Simplify right side
    10,712.50x = 46,945,788.02
  5. Step 5: Solve for x
    x = 46,945,788.02/10,712.50
  6. Step 6: Final answer
    x = 4,382.34

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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.