Home / 12,355.27-17,050.30-6,690.08

Finding the Fourth Proportional to 12,355.27, 17,050.30 and 6,690.08

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Solution

The fourth proportional to 12,355.27, 17,050.30 and 6,690.08 is: 9,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.27 : 17,050.30 = 6,690.08 : x
  2. Step 2: Convert to fraction form
    12,355.27/17,050.30 = 6,690.08/x
  3. Step 3: Cross multiply
    12,355.27x = 17,050.30 × 6,690.08
  4. Step 4: Simplify right side
    12,355.27x = 114,067,896.92
  5. Step 5: Solve for x
    x = 114,067,896.92/12,355.27
  6. Step 6: Final answer
    x = 9,232.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.