Home / 11,660.15-17,500.35-6,117.42

Finding the Fourth Proportional to 11,660.15, 17,500.35 and 6,117.42

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Solution

The fourth proportional to 11,660.15, 17,500.35 and 6,117.42 is: 9,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.15 : 17,500.35 = 6,117.42 : x
  2. Step 2: Convert to fraction form
    11,660.15/17,500.35 = 6,117.42/x
  3. Step 3: Cross multiply
    11,660.15x = 17,500.35 × 6,117.42
  4. Step 4: Simplify right side
    11,660.15x = 107,057,079.66
  5. Step 5: Solve for x
    x = 107,057,079.66/11,660.15
  6. Step 6: Final answer
    x = 9,181.45

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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.