Home / 11,344.23-15,656.22-6,628.41

Finding the Fourth Proportional to 11,344.23, 15,656.22 and 6,628.41

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Solution

The fourth proportional to 11,344.23, 15,656.22 and 6,628.41 is: 9,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.23 : 15,656.22 = 6,628.41 : x
  2. Step 2: Convert to fraction form
    11,344.23/15,656.22 = 6,628.41/x
  3. Step 3: Cross multiply
    11,344.23x = 15,656.22 × 6,628.41
  4. Step 4: Simplify right side
    11,344.23x = 103,775,845.21
  5. Step 5: Solve for x
    x = 103,775,845.21/11,344.23
  6. Step 6: Final answer
    x = 9,147.90

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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.