Home / 9,161.91-13,740.06-2,586.33

Finding the Fourth Proportional to 9,161.91, 13,740.06 and 2,586.33

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Solution

The fourth proportional to 9,161.91, 13,740.06 and 2,586.33 is: 3,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.91 : 13,740.06 = 2,586.33 : x
  2. Step 2: Convert to fraction form
    9,161.91/13,740.06 = 2,586.33/x
  3. Step 3: Cross multiply
    9,161.91x = 13,740.06 × 2,586.33
  4. Step 4: Simplify right side
    9,161.91x = 35,536,329.38
  5. Step 5: Solve for x
    x = 35,536,329.38/9,161.91
  6. Step 6: Final answer
    x = 3,878.70

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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.