Home / 10,876.43-16,320.05-4,307.33

Finding the Fourth Proportional to 10,876.43, 16,320.05 and 4,307.33

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Solution

The fourth proportional to 10,876.43, 16,320.05 and 4,307.33 is: 6,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.43 : 16,320.05 = 4,307.33 : x
  2. Step 2: Convert to fraction form
    10,876.43/16,320.05 = 4,307.33/x
  3. Step 3: Cross multiply
    10,876.43x = 16,320.05 × 4,307.33
  4. Step 4: Simplify right side
    10,876.43x = 70,295,819.43
  5. Step 5: Solve for x
    x = 70,295,819.43/10,876.43
  6. Step 6: Final answer
    x = 6,463.13

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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.