Home / 12,226.53-18,332.90-3,904.59

Finding the Fourth Proportional to 12,226.53, 18,332.90 and 3,904.59

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Solution

The fourth proportional to 12,226.53, 18,332.90 and 3,904.59 is: 5,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.53 : 18,332.90 = 3,904.59 : x
  2. Step 2: Convert to fraction form
    12,226.53/18,332.90 = 3,904.59/x
  3. Step 3: Cross multiply
    12,226.53x = 18,332.90 × 3,904.59
  4. Step 4: Simplify right side
    12,226.53x = 71,582,406.35
  5. Step 5: Solve for x
    x = 71,582,406.35/12,226.53
  6. Step 6: Final answer
    x = 5,854.68

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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.