Home / 7,818.48-11,726.47-2,553.44

Finding the Fourth Proportional to 7,818.48, 11,726.47 and 2,553.44

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Solution

The fourth proportional to 7,818.48, 11,726.47 and 2,553.44 is: 3,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.48 : 11,726.47 = 2,553.44 : x
  2. Step 2: Convert to fraction form
    7,818.48/11,726.47 = 2,553.44/x
  3. Step 3: Cross multiply
    7,818.48x = 11,726.47 × 2,553.44
  4. Step 4: Simplify right side
    7,818.48x = 29,942,894.38
  5. Step 5: Solve for x
    x = 29,942,894.38/7,818.48
  6. Step 6: Final answer
    x = 3,829.76

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1.5x scale

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.