Home / 11,617.20-17,425.80-4,690.08

Finding the Fourth Proportional to 11,617.20, 17,425.80 and 4,690.08

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Solution

The fourth proportional to 11,617.20, 17,425.80 and 4,690.08 is: 7,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.20 : 17,425.80 = 4,690.08 : x
  2. Step 2: Convert to fraction form
    11,617.20/17,425.80 = 4,690.08/x
  3. Step 3: Cross multiply
    11,617.20x = 17,425.80 × 4,690.08
  4. Step 4: Simplify right side
    11,617.20x = 81,728,396.06
  5. Step 5: Solve for x
    x = 81,728,396.06/11,617.20
  6. Step 6: Final answer
    x = 7,035.12

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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.