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Finding the Fourth Proportional to 8,573.90, 11,831.42 and 4,796.41

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Solution

The fourth proportional to 8,573.90, 11,831.42 and 4,796.41 is: 6,618.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.90 : 11,831.42 = 4,796.41 : x
  2. Step 2: Convert to fraction form
    8,573.90/11,831.42 = 4,796.41/x
  3. Step 3: Cross multiply
    8,573.90x = 11,831.42 × 4,796.41
  4. Step 4: Simplify right side
    8,573.90x = 56,748,258.06
  5. Step 5: Solve for x
    x = 56,748,258.06/8,573.90
  6. Step 6: Final answer
    x = 6,618.73

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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.