Home / 9,221.12-12,725.22-5,029.38

Finding the Fourth Proportional to 9,221.12, 12,725.22 and 5,029.38

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Solution

The fourth proportional to 9,221.12, 12,725.22 and 5,029.38 is: 6,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.12 : 12,725.22 = 5,029.38 : x
  2. Step 2: Convert to fraction form
    9,221.12/12,725.22 = 5,029.38/x
  3. Step 3: Cross multiply
    9,221.12x = 12,725.22 × 5,029.38
  4. Step 4: Simplify right side
    9,221.12x = 63,999,966.96
  5. Step 5: Solve for x
    x = 63,999,966.96/9,221.12
  6. Step 6: Final answer
    x = 6,940.58

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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.