Home / 7,831.22-11,748.71-2,566.62

Finding the Fourth Proportional to 7,831.22, 11,748.71 and 2,566.62

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Solution

The fourth proportional to 7,831.22, 11,748.71 and 2,566.62 is: 3,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.22 : 11,748.71 = 2,566.62 : x
  2. Step 2: Convert to fraction form
    7,831.22/11,748.71 = 2,566.62/x
  3. Step 3: Cross multiply
    7,831.22x = 11,748.71 × 2,566.62
  4. Step 4: Simplify right side
    7,831.22x = 30,154,480.48
  5. Step 5: Solve for x
    x = 30,154,480.48/7,831.22
  6. Step 6: Final answer
    x = 3,850.55

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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.