Home / 9,772.22-13,496.80-6,622.94

Finding the Fourth Proportional to 9,772.22, 13,496.80 and 6,622.94

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Solution

The fourth proportional to 9,772.22, 13,496.80 and 6,622.94 is: 9,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772.22 : 13,496.80 = 6,622.94 : x
  2. Step 2: Convert to fraction form
    9,772.22/13,496.80 = 6,622.94/x
  3. Step 3: Cross multiply
    9,772.22x = 13,496.80 × 6,622.94
  4. Step 4: Simplify right side
    9,772.22x = 89,388,513.78
  5. Step 5: Solve for x
    x = 89,388,513.78/9,772.22
  6. Step 6: Final answer
    x = 9,147.20

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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.