Home / 8,025.18-12,038.91-2,478.96

Finding the Fourth Proportional to 8,025.18, 12,038.91 and 2,478.96

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Solution

The fourth proportional to 8,025.18, 12,038.91 and 2,478.96 is: 3,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.18 : 12,038.91 = 2,478.96 : x
  2. Step 2: Convert to fraction form
    8,025.18/12,038.91 = 2,478.96/x
  3. Step 3: Cross multiply
    8,025.18x = 12,038.91 × 2,478.96
  4. Step 4: Simplify right side
    8,025.18x = 29,843,976.33
  5. Step 5: Solve for x
    x = 29,843,976.33/8,025.18
  6. Step 6: Final answer
    x = 3,718.79

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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.