Home / 8,659.27-11,949.42-5,307.76

Finding the Fourth Proportional to 8,659.27, 11,949.42 and 5,307.76

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Solution

The fourth proportional to 8,659.27, 11,949.42 and 5,307.76 is: 7,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659.27 : 11,949.42 = 5,307.76 : x
  2. Step 2: Convert to fraction form
    8,659.27/11,949.42 = 5,307.76/x
  3. Step 3: Cross multiply
    8,659.27x = 11,949.42 × 5,307.76
  4. Step 4: Simplify right side
    8,659.27x = 63,424,653.50
  5. Step 5: Solve for x
    x = 63,424,653.50/8,659.27
  6. Step 6: Final answer
    x = 7,324.48

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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.