Home / 11,127.26-15,358.35-6,653.66

Finding the Fourth Proportional to 11,127.26, 15,358.35 and 6,653.66

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Solution

The fourth proportional to 11,127.26, 15,358.35 and 6,653.66 is: 9,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.26 : 15,358.35 = 6,653.66 : x
  2. Step 2: Convert to fraction form
    11,127.26/15,358.35 = 6,653.66/x
  3. Step 3: Cross multiply
    11,127.26x = 15,358.35 × 6,653.66
  4. Step 4: Simplify right side
    11,127.26x = 102,189,239.06
  5. Step 5: Solve for x
    x = 102,189,239.06/11,127.26
  6. Step 6: Final answer
    x = 9,183.68

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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.