Home / 12,036.87-16,617.56-8,262.27

Finding the Fourth Proportional to 12,036.87, 16,617.56 and 8,262.27

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Solution

The fourth proportional to 12,036.87, 16,617.56 and 8,262.27 is: 11,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.87 : 16,617.56 = 8,262.27 : x
  2. Step 2: Convert to fraction form
    12,036.87/16,617.56 = 8,262.27/x
  3. Step 3: Cross multiply
    12,036.87x = 16,617.56 × 8,262.27
  4. Step 4: Simplify right side
    12,036.87x = 137,298,726.15
  5. Step 5: Solve for x
    x = 137,298,726.15/12,036.87
  6. Step 6: Final answer
    x = 11,406.51

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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.