Home / 8,287.23-11,436.78-4,750.44

Finding the Fourth Proportional to 8,287.23, 11,436.78 and 4,750.44

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Solution

The fourth proportional to 8,287.23, 11,436.78 and 4,750.44 is: 6,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.23 : 11,436.78 = 4,750.44 : x
  2. Step 2: Convert to fraction form
    8,287.23/11,436.78 = 4,750.44/x
  3. Step 3: Cross multiply
    8,287.23x = 11,436.78 × 4,750.44
  4. Step 4: Simplify right side
    8,287.23x = 54,329,737.18
  5. Step 5: Solve for x
    x = 54,329,737.18/8,287.23
  6. Step 6: Final answer
    x = 6,555.84

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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.