Home / 8,479.27-11,701.39-4,941.79

Finding the Fourth Proportional to 8,479.27, 11,701.39 and 4,941.79

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Solution

The fourth proportional to 8,479.27, 11,701.39 and 4,941.79 is: 6,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.27 : 11,701.39 = 4,941.79 : x
  2. Step 2: Convert to fraction form
    8,479.27/11,701.39 = 4,941.79/x
  3. Step 3: Cross multiply
    8,479.27x = 11,701.39 × 4,941.79
  4. Step 4: Simplify right side
    8,479.27x = 57,825,831.67
  5. Step 5: Solve for x
    x = 57,825,831.67/8,479.27
  6. Step 6: Final answer
    x = 6,819.67

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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.