Home / 7,371.66-11,057.49-2,181.18

Finding the Fourth Proportional to 7,371.66, 11,057.49 and 2,181.18

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Solution

The fourth proportional to 7,371.66, 11,057.49 and 2,181.18 is: 3,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.66 : 11,057.49 = 2,181.18 : x
  2. Step 2: Convert to fraction form
    7,371.66/11,057.49 = 2,181.18/x
  3. Step 3: Cross multiply
    7,371.66x = 11,057.49 × 2,181.18
  4. Step 4: Simplify right side
    7,371.66x = 24,118,376.04
  5. Step 5: Solve for x
    x = 24,118,376.04/7,371.66
  6. Step 6: Final answer
    x = 3,271.77

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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.