Home / 11,475.87-17,216.23-3,690.15

Finding the Fourth Proportional to 11,475.87, 17,216.23 and 3,690.15

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Solution

The fourth proportional to 11,475.87, 17,216.23 and 3,690.15 is: 5,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.87 : 17,216.23 = 3,690.15 : x
  2. Step 2: Convert to fraction form
    11,475.87/17,216.23 = 3,690.15/x
  3. Step 3: Cross multiply
    11,475.87x = 17,216.23 × 3,690.15
  4. Step 4: Simplify right side
    11,475.87x = 63,530,471.13
  5. Step 5: Solve for x
    x = 63,530,471.13/11,475.87
  6. Step 6: Final answer
    x = 5,536.00

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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.