Home / 10,722.16-16,083.15-2,930.95

Finding the Fourth Proportional to 10,722.16, 16,083.15 and 2,930.95

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Solution

The fourth proportional to 10,722.16, 16,083.15 and 2,930.95 is: 4,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.16 : 16,083.15 = 2,930.95 : x
  2. Step 2: Convert to fraction form
    10,722.16/16,083.15 = 2,930.95/x
  3. Step 3: Cross multiply
    10,722.16x = 16,083.15 × 2,930.95
  4. Step 4: Simplify right side
    10,722.16x = 47,138,908.49
  5. Step 5: Solve for x
    x = 47,138,908.49/10,722.16
  6. Step 6: Final answer
    x = 4,396.40

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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.