Home / 9,309.87-12,846.60-5,331.96

Finding the Fourth Proportional to 9,309.87, 12,846.60 and 5,331.96

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Solution

The fourth proportional to 9,309.87, 12,846.60 and 5,331.96 is: 7,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.87 : 12,846.60 = 5,331.96 : x
  2. Step 2: Convert to fraction form
    9,309.87/12,846.60 = 5,331.96/x
  3. Step 3: Cross multiply
    9,309.87x = 12,846.60 × 5,331.96
  4. Step 4: Simplify right side
    9,309.87x = 68,497,557.34
  5. Step 5: Solve for x
    x = 68,497,557.34/9,309.87
  6. Step 6: Final answer
    x = 7,357.52

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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.