Home / 10,483.24-15,726.64-5,218.56

Finding the Fourth Proportional to 10,483.24, 15,726.64 and 5,218.56

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Solution

The fourth proportional to 10,483.24, 15,726.64 and 5,218.56 is: 7,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,483.24 : 15,726.64 = 5,218.56 : x
  2. Step 2: Convert to fraction form
    10,483.24/15,726.64 = 5,218.56/x
  3. Step 3: Cross multiply
    10,483.24x = 15,726.64 × 5,218.56
  4. Step 4: Simplify right side
    10,483.24x = 82,070,414.44
  5. Step 5: Solve for x
    x = 82,070,414.44/10,483.24
  6. Step 6: Final answer
    x = 7,828.73

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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.