Home / 10,418.91-15,628.36-4,876.14

Finding the Fourth Proportional to 10,418.91, 15,628.36 and 4,876.14

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Solution

The fourth proportional to 10,418.91, 15,628.36 and 4,876.14 is: 7,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.91 : 15,628.36 = 4,876.14 : x
  2. Step 2: Convert to fraction form
    10,418.91/15,628.36 = 4,876.14/x
  3. Step 3: Cross multiply
    10,418.91x = 15,628.36 × 4,876.14
  4. Step 4: Simplify right side
    10,418.91x = 76,206,071.33
  5. Step 5: Solve for x
    x = 76,206,071.33/10,418.91
  6. Step 6: Final answer
    x = 7,314.21

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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.