Home / 8,883.64-12,258.04-5,106.96

Finding the Fourth Proportional to 8,883.64, 12,258.04 and 5,106.96

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Solution

The fourth proportional to 8,883.64, 12,258.04 and 5,106.96 is: 7,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.64 : 12,258.04 = 5,106.96 : x
  2. Step 2: Convert to fraction form
    8,883.64/12,258.04 = 5,106.96/x
  3. Step 3: Cross multiply
    8,883.64x = 12,258.04 × 5,106.96
  4. Step 4: Simplify right side
    8,883.64x = 62,601,319.96
  5. Step 5: Solve for x
    x = 62,601,319.96/8,883.64
  6. Step 6: Final answer
    x = 7,046.81

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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.