Home / 11,490.15-17,235.31-6,293.19

Finding the Fourth Proportional to 11,490.15, 17,235.31 and 6,293.19

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Solution

The fourth proportional to 11,490.15, 17,235.31 and 6,293.19 is: 9,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.15 : 17,235.31 = 6,293.19 : x
  2. Step 2: Convert to fraction form
    11,490.15/17,235.31 = 6,293.19/x
  3. Step 3: Cross multiply
    11,490.15x = 17,235.31 × 6,293.19
  4. Step 4: Simplify right side
    11,490.15x = 108,465,080.54
  5. Step 5: Solve for x
    x = 108,465,080.54/11,490.15
  6. Step 6: Final answer
    x = 9,439.83

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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.