Home / 8,038.15-12,058.64-2,772.75

Finding the Fourth Proportional to 8,038.15, 12,058.64 and 2,772.75

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Solution

The fourth proportional to 8,038.15, 12,058.64 and 2,772.75 is: 4,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.15 : 12,058.64 = 2,772.75 : x
  2. Step 2: Convert to fraction form
    8,038.15/12,058.64 = 2,772.75/x
  3. Step 3: Cross multiply
    8,038.15x = 12,058.64 × 2,772.75
  4. Step 4: Simplify right side
    8,038.15x = 33,435,540.70
  5. Step 5: Solve for x
    x = 33,435,540.70/8,038.15
  6. Step 6: Final answer
    x = 4,159.61

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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.