Home / 12,009.70-18,014.91-3,244.69

Finding the Fourth Proportional to 12,009.70, 18,014.91 and 3,244.69

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Solution

The fourth proportional to 12,009.70, 18,014.91 and 3,244.69 is: 4,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.70 : 18,014.91 = 3,244.69 : x
  2. Step 2: Convert to fraction form
    12,009.70/18,014.91 = 3,244.69/x
  3. Step 3: Cross multiply
    12,009.70x = 18,014.91 × 3,244.69
  4. Step 4: Simplify right side
    12,009.70x = 58,452,808.68
  5. Step 5: Solve for x
    x = 58,452,808.68/12,009.70
  6. Step 6: Final answer
    x = 4,867.13

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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.