Home / 8,672.24-11,965.56-5,133.44

Finding the Fourth Proportional to 8,672.24, 11,965.56 and 5,133.44

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Solution

The fourth proportional to 8,672.24, 11,965.56 and 5,133.44 is: 7,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.24 : 11,965.56 = 5,133.44 : x
  2. Step 2: Convert to fraction form
    8,672.24/11,965.56 = 5,133.44/x
  3. Step 3: Cross multiply
    8,672.24x = 11,965.56 × 5,133.44
  4. Step 4: Simplify right side
    8,672.24x = 61,424,484.33
  5. Step 5: Solve for x
    x = 61,424,484.33/8,672.24
  6. Step 6: Final answer
    x = 7,082.89

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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.