Home / 10,876.48-16,312.56-3,948.64

Finding the Fourth Proportional to 10,876.48, 16,312.56 and 3,948.64

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Solution

The fourth proportional to 10,876.48, 16,312.56 and 3,948.64 is: 5,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.48 : 16,312.56 = 3,948.64 : x
  2. Step 2: Convert to fraction form
    10,876.48/16,312.56 = 3,948.64/x
  3. Step 3: Cross multiply
    10,876.48x = 16,312.56 × 3,948.64
  4. Step 4: Simplify right side
    10,876.48x = 64,412,426.92
  5. Step 5: Solve for x
    x = 64,412,426.92/10,876.48
  6. Step 6: Final answer
    x = 5,922.18

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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.