Home / 8,719.26-12,035.61-5,364.42

Finding the Fourth Proportional to 8,719.26, 12,035.61 and 5,364.42

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Solution

The fourth proportional to 8,719.26, 12,035.61 and 5,364.42 is: 7,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.26 : 12,035.61 = 5,364.42 : x
  2. Step 2: Convert to fraction form
    8,719.26/12,035.61 = 5,364.42/x
  3. Step 3: Cross multiply
    8,719.26x = 12,035.61 × 5,364.42
  4. Step 4: Simplify right side
    8,719.26x = 64,564,067.00
  5. Step 5: Solve for x
    x = 64,564,067.00/8,719.26
  6. Step 6: Final answer
    x = 7,404.76

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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.