Home / 12,393.32-18,587.25-3,628.92

Finding the Fourth Proportional to 12,393.32, 18,587.25 and 3,628.92

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Solution

The fourth proportional to 12,393.32, 18,587.25 and 3,628.92 is: 5,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.32 : 18,587.25 = 3,628.92 : x
  2. Step 2: Convert to fraction form
    12,393.32/18,587.25 = 3,628.92/x
  3. Step 3: Cross multiply
    12,393.32x = 18,587.25 × 3,628.92
  4. Step 4: Simplify right side
    12,393.32x = 67,451,598.21
  5. Step 5: Solve for x
    x = 67,451,598.21/12,393.32
  6. Step 6: Final answer
    x = 5,442.58

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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.