Home / 9,405.72-12,976.20-6,572.34

Finding the Fourth Proportional to 9,405.72, 12,976.20 and 6,572.34

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Solution

The fourth proportional to 9,405.72, 12,976.20 and 6,572.34 is: 9,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.72 : 12,976.20 = 6,572.34 : x
  2. Step 2: Convert to fraction form
    9,405.72/12,976.20 = 6,572.34/x
  3. Step 3: Cross multiply
    9,405.72x = 12,976.20 × 6,572.34
  4. Step 4: Simplify right side
    9,405.72x = 85,283,998.31
  5. Step 5: Solve for x
    x = 85,283,998.31/9,405.72
  6. Step 6: Final answer
    x = 9,067.25

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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.