Home / 11,455.92-17,184.06-3,670.20

Finding the Fourth Proportional to 11,455.92, 17,184.06 and 3,670.20

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Solution

The fourth proportional to 11,455.92, 17,184.06 and 3,670.20 is: 5,505.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.92 : 17,184.06 = 3,670.20 : x
  2. Step 2: Convert to fraction form
    11,455.92/17,184.06 = 3,670.20/x
  3. Step 3: Cross multiply
    11,455.92x = 17,184.06 × 3,670.20
  4. Step 4: Simplify right side
    11,455.92x = 63,068,937.01
  5. Step 5: Solve for x
    x = 63,068,937.01/11,455.92
  6. Step 6: Final answer
    x = 5,505.36

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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.