Home / 11,012.78-15,197.28-6,167.52

Finding the Fourth Proportional to 11,012.78, 15,197.28 and 6,167.52

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Solution

The fourth proportional to 11,012.78, 15,197.28 and 6,167.52 is: 8,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.78 : 15,197.28 = 6,167.52 : x
  2. Step 2: Convert to fraction form
    11,012.78/15,197.28 = 6,167.52/x
  3. Step 3: Cross multiply
    11,012.78x = 15,197.28 × 6,167.52
  4. Step 4: Simplify right side
    11,012.78x = 93,729,528.35
  5. Step 5: Solve for x
    x = 93,729,528.35/11,012.78
  6. Step 6: Final answer
    x = 8,510.98

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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.