Home / 10,195.72-15,268.88-5,184.91

Finding the Fourth Proportional to 10,195.72, 15,268.88 and 5,184.91

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Solution

The fourth proportional to 10,195.72, 15,268.88 and 5,184.91 is: 7,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.72 : 15,268.88 = 5,184.91 : x
  2. Step 2: Convert to fraction form
    10,195.72/15,268.88 = 5,184.91/x
  3. Step 3: Cross multiply
    10,195.72x = 15,268.88 × 5,184.91
  4. Step 4: Simplify right side
    10,195.72x = 79,167,743.39
  5. Step 5: Solve for x
    x = 79,167,743.39/10,195.72
  6. Step 6: Final answer
    x = 7,764.80

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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.