Home / 9,367.88-12,921.96-6,009.56

Finding the Fourth Proportional to 9,367.88, 12,921.96 and 6,009.56

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Solution

The fourth proportional to 9,367.88, 12,921.96 and 6,009.56 is: 8,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,367.88 : 12,921.96 = 6,009.56 : x
  2. Step 2: Convert to fraction form
    9,367.88/12,921.96 = 6,009.56/x
  3. Step 3: Cross multiply
    9,367.88x = 12,921.96 × 6,009.56
  4. Step 4: Simplify right side
    9,367.88x = 77,655,293.94
  5. Step 5: Solve for x
    x = 77,655,293.94/9,367.88
  6. Step 6: Final answer
    x = 8,289.53

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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.