Home / 12,040.15-18,053.60-3,717.87

Finding the Fourth Proportional to 12,040.15, 18,053.60 and 3,717.87

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Solution

The fourth proportional to 12,040.15, 18,053.60 and 3,717.87 is: 5,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.15 : 18,053.60 = 3,717.87 : x
  2. Step 2: Convert to fraction form
    12,040.15/18,053.60 = 3,717.87/x
  3. Step 3: Cross multiply
    12,040.15x = 18,053.60 × 3,717.87
  4. Step 4: Simplify right side
    12,040.15x = 67,120,919.24
  5. Step 5: Solve for x
    x = 67,120,919.24/12,040.15
  6. Step 6: Final answer
    x = 5,574.76

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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.