Home / 8,664.24-11,951.52-5,308.56

Finding the Fourth Proportional to 8,664.24, 11,951.52 and 5,308.56

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Solution

The fourth proportional to 8,664.24, 11,951.52 and 5,308.56 is: 7,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.24 : 11,951.52 = 5,308.56 : x
  2. Step 2: Convert to fraction form
    8,664.24/11,951.52 = 5,308.56/x
  3. Step 3: Cross multiply
    8,664.24x = 11,951.52 × 5,308.56
  4. Step 4: Simplify right side
    8,664.24x = 63,445,361.01
  5. Step 5: Solve for x
    x = 63,445,361.01/8,664.24
  6. Step 6: Final answer
    x = 7,322.67

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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.