Home / 10,926.30-16,388.19-3,029.40

Finding the Fourth Proportional to 10,926.30, 16,388.19 and 3,029.40

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Solution

The fourth proportional to 10,926.30, 16,388.19 and 3,029.40 is: 4,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.30 : 16,388.19 = 3,029.40 : x
  2. Step 2: Convert to fraction form
    10,926.30/16,388.19 = 3,029.40/x
  3. Step 3: Cross multiply
    10,926.30x = 16,388.19 × 3,029.40
  4. Step 4: Simplify right side
    10,926.30x = 49,646,382.79
  5. Step 5: Solve for x
    x = 49,646,382.79/10,926.30
  6. Step 6: Final answer
    x = 4,543.75

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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.