Home / 11,328.70-16,993.02-7,432.18

Finding the Fourth Proportional to 11,328.70, 16,993.02 and 7,432.18

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Solution

The fourth proportional to 11,328.70, 16,993.02 and 7,432.18 is: 11,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.70 : 16,993.02 = 7,432.18 : x
  2. Step 2: Convert to fraction form
    11,328.70/16,993.02 = 7,432.18/x
  3. Step 3: Cross multiply
    11,328.70x = 16,993.02 × 7,432.18
  4. Step 4: Simplify right side
    11,328.70x = 126,295,183.38
  5. Step 5: Solve for x
    x = 126,295,183.38/11,328.70
  6. Step 6: Final answer
    x = 11,148.25

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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.