Home / 9,125.87-12,587.15-5,933.25

Finding the Fourth Proportional to 9,125.87, 12,587.15 and 5,933.25

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Solution

The fourth proportional to 9,125.87, 12,587.15 and 5,933.25 is: 8,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.87 : 12,587.15 = 5,933.25 : x
  2. Step 2: Convert to fraction form
    9,125.87/12,587.15 = 5,933.25/x
  3. Step 3: Cross multiply
    9,125.87x = 12,587.15 × 5,933.25
  4. Step 4: Simplify right side
    9,125.87x = 74,682,689.20
  5. Step 5: Solve for x
    x = 74,682,689.20/9,125.87
  6. Step 6: Final answer
    x = 8,183.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.