Home / 10,137.15-15,182.24-9,786.83

Finding the Fourth Proportional to 10,137.15, 15,182.24 and 9,786.83

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Solution

The fourth proportional to 10,137.15, 15,182.24 and 9,786.83 is: 14,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.15 : 15,182.24 = 9,786.83 : x
  2. Step 2: Convert to fraction form
    10,137.15/15,182.24 = 9,786.83/x
  3. Step 3: Cross multiply
    10,137.15x = 15,182.24 × 9,786.83
  4. Step 4: Simplify right side
    10,137.15x = 148,585,877.05
  5. Step 5: Solve for x
    x = 148,585,877.05/10,137.15
  6. Step 6: Final answer
    x = 14,657.56

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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.