Home / 11,463.99-15,820.97-6,429.83

Finding the Fourth Proportional to 11,463.99, 15,820.97 and 6,429.83

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Solution

The fourth proportional to 11,463.99, 15,820.97 and 6,429.83 is: 8,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.99 : 15,820.97 = 6,429.83 : x
  2. Step 2: Convert to fraction form
    11,463.99/15,820.97 = 6,429.83/x
  3. Step 3: Cross multiply
    11,463.99x = 15,820.97 × 6,429.83
  4. Step 4: Simplify right side
    11,463.99x = 101,726,036.28
  5. Step 5: Solve for x
    x = 101,726,036.28/11,463.99
  6. Step 6: Final answer
    x = 8,873.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.