Home / 11,344.24-15,655.44-6,628.42

Finding the Fourth Proportional to 11,344.24, 15,655.44 and 6,628.42

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Solution

The fourth proportional to 11,344.24, 15,655.44 and 6,628.42 is: 9,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.24 : 15,655.44 = 6,628.42 : x
  2. Step 2: Convert to fraction form
    11,344.24/15,655.44 = 6,628.42/x
  3. Step 3: Cross multiply
    11,344.24x = 15,655.44 × 6,628.42
  4. Step 4: Simplify right side
    11,344.24x = 103,770,831.60
  5. Step 5: Solve for x
    x = 103,770,831.60/11,344.24
  6. Step 6: Final answer
    x = 9,147.45

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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.