Home / 7,436.18-11,152.38-2,171.18

Finding the Fourth Proportional to 7,436.18, 11,152.38 and 2,171.18

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Solution

The fourth proportional to 7,436.18, 11,152.38 and 2,171.18 is: 3,256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.18 : 11,152.38 = 2,171.18 : x
  2. Step 2: Convert to fraction form
    7,436.18/11,152.38 = 2,171.18/x
  3. Step 3: Cross multiply
    7,436.18x = 11,152.38 × 2,171.18
  4. Step 4: Simplify right side
    7,436.18x = 24,213,824.41
  5. Step 5: Solve for x
    x = 24,213,824.41/7,436.18
  6. Step 6: Final answer
    x = 3,256.22

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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.