Home / 11,257.20-16,869.60-5,012.10

Finding the Fourth Proportional to 11,257.20, 16,869.60 and 5,012.10

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Solution

The fourth proportional to 11,257.20, 16,869.60 and 5,012.10 is: 7,510.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.20 : 16,869.60 = 5,012.10 : x
  2. Step 2: Convert to fraction form
    11,257.20/16,869.60 = 5,012.10/x
  3. Step 3: Cross multiply
    11,257.20x = 16,869.60 × 5,012.10
  4. Step 4: Simplify right side
    11,257.20x = 84,552,122.16
  5. Step 5: Solve for x
    x = 84,552,122.16/11,257.20
  6. Step 6: Final answer
    x = 7,510.94

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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.