Home / 9,212.38-12,712.06-5,233.52

Finding the Fourth Proportional to 9,212.38, 12,712.06 and 5,233.52

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Solution

The fourth proportional to 9,212.38, 12,712.06 and 5,233.52 is: 7,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.38 : 12,712.06 = 5,233.52 : x
  2. Step 2: Convert to fraction form
    9,212.38/12,712.06 = 5,233.52/x
  3. Step 3: Cross multiply
    9,212.38x = 12,712.06 × 5,233.52
  4. Step 4: Simplify right side
    9,212.38x = 66,528,820.25
  5. Step 5: Solve for x
    x = 66,528,820.25/9,212.38
  6. Step 6: Final answer
    x = 7,221.68

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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.