Home / 10,618.48-15,927.76-3,223

Finding the Fourth Proportional to 10,618.48, 15,927.76 and 3,223

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Solution

The fourth proportional to 10,618.48, 15,927.76 and 3,223 is: 4,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.48 : 15,927.76 = 3,223 : x
  2. Step 2: Convert to fraction form
    10,618.48/15,927.76 = 3,223/x
  3. Step 3: Cross multiply
    10,618.48x = 15,927.76 × 3,223
  4. Step 4: Simplify right side
    10,618.48x = 51,335,170.48
  5. Step 5: Solve for x
    x = 51,335,170.48/10,618.48
  6. Step 6: Final answer
    x = 4,834.51

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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.