Home / 7,831.43-11,746.84-2,566.84

Finding the Fourth Proportional to 7,831.43, 11,746.84 and 2,566.84

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Solution

The fourth proportional to 7,831.43, 11,746.84 and 2,566.84 is: 3,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.43 : 11,746.84 = 2,566.84 : x
  2. Step 2: Convert to fraction form
    7,831.43/11,746.84 = 2,566.84/x
  3. Step 3: Cross multiply
    7,831.43x = 11,746.84 × 2,566.84
  4. Step 4: Simplify right side
    7,831.43x = 30,152,242.62
  5. Step 5: Solve for x
    x = 30,152,242.62/7,831.43
  6. Step 6: Final answer
    x = 3,850.16

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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.