Home / 8,883.64-12,263.86-5,527.56

Finding the Fourth Proportional to 8,883.64, 12,263.86 and 5,527.56

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Solution

The fourth proportional to 8,883.64, 12,263.86 and 5,527.56 is: 7,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.64 : 12,263.86 = 5,527.56 : x
  2. Step 2: Convert to fraction form
    8,883.64/12,263.86 = 5,527.56/x
  3. Step 3: Cross multiply
    8,883.64x = 12,263.86 × 5,527.56
  4. Step 4: Simplify right side
    8,883.64x = 67,789,221.98
  5. Step 5: Solve for x
    x = 67,789,221.98/8,883.64
  6. Step 6: Final answer
    x = 7,630.79

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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.