Home / 10,821.94-16,233.55-3,031.36

Finding the Fourth Proportional to 10,821.94, 16,233.55 and 3,031.36

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Solution

The fourth proportional to 10,821.94, 16,233.55 and 3,031.36 is: 4,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.94 : 16,233.55 = 3,031.36 : x
  2. Step 2: Convert to fraction form
    10,821.94/16,233.55 = 3,031.36/x
  3. Step 3: Cross multiply
    10,821.94x = 16,233.55 × 3,031.36
  4. Step 4: Simplify right side
    10,821.94x = 49,209,685.97
  5. Step 5: Solve for x
    x = 49,209,685.97/10,821.94
  6. Step 6: Final answer
    x = 4,547.22

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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.