Home / 12,002.13-18,002.84-3,237.57

Finding the Fourth Proportional to 12,002.13, 18,002.84 and 3,237.57

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Solution

The fourth proportional to 12,002.13, 18,002.84 and 3,237.57 is: 4,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.13 : 18,002.84 = 3,237.57 : x
  2. Step 2: Convert to fraction form
    12,002.13/18,002.84 = 3,237.57/x
  3. Step 3: Cross multiply
    12,002.13x = 18,002.84 × 3,237.57
  4. Step 4: Simplify right side
    12,002.13x = 58,285,438.51
  5. Step 5: Solve for x
    x = 58,285,438.51/12,002.13
  6. Step 6: Final answer
    x = 4,856.26

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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.