Home / 7,382.92-11,077.38-3,000.72

Finding the Fourth Proportional to 7,382.92, 11,077.38 and 3,000.72

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Solution

The fourth proportional to 7,382.92, 11,077.38 and 3,000.72 is: 4,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.92 : 11,077.38 = 3,000.72 : x
  2. Step 2: Convert to fraction form
    7,382.92/11,077.38 = 3,000.72/x
  3. Step 3: Cross multiply
    7,382.92x = 11,077.38 × 3,000.72
  4. Step 4: Simplify right side
    7,382.92x = 33,240,115.71
  5. Step 5: Solve for x
    x = 33,240,115.71/7,382.92
  6. Step 6: Final answer
    x = 4,502.30

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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.