Home / 10,132.65-15,198.57-3,558.33

Finding the Fourth Proportional to 10,132.65, 15,198.57 and 3,558.33

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Solution

The fourth proportional to 10,132.65, 15,198.57 and 3,558.33 is: 5,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.65 : 15,198.57 = 3,558.33 : x
  2. Step 2: Convert to fraction form
    10,132.65/15,198.57 = 3,558.33/x
  3. Step 3: Cross multiply
    10,132.65x = 15,198.57 × 3,558.33
  4. Step 4: Simplify right side
    10,132.65x = 54,081,527.59
  5. Step 5: Solve for x
    x = 54,081,527.59/10,132.65
  6. Step 6: Final answer
    x = 5,337.35

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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.