Home / 9,399.29-12,967.97-5,571.23

Finding the Fourth Proportional to 9,399.29, 12,967.97 and 5,571.23

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Solution

The fourth proportional to 9,399.29, 12,967.97 and 5,571.23 is: 7,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,399.29 : 12,967.97 = 5,571.23 : x
  2. Step 2: Convert to fraction form
    9,399.29/12,967.97 = 5,571.23/x
  3. Step 3: Cross multiply
    9,399.29x = 12,967.97 × 5,571.23
  4. Step 4: Simplify right side
    9,399.29x = 72,247,450.81
  5. Step 5: Solve for x
    x = 72,247,450.81/9,399.29
  6. Step 6: Final answer
    x = 7,686.48

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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.