Home / 9,212.48-12,715.04-5,233.20

Finding the Fourth Proportional to 9,212.48, 12,715.04 and 5,233.20

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Solution

The fourth proportional to 9,212.48, 12,715.04 and 5,233.20 is: 7,222.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.48 : 12,715.04 = 5,233.20 : x
  2. Step 2: Convert to fraction form
    9,212.48/12,715.04 = 5,233.20/x
  3. Step 3: Cross multiply
    9,212.48x = 12,715.04 × 5,233.20
  4. Step 4: Simplify right side
    9,212.48x = 66,540,347.33
  5. Step 5: Solve for x
    x = 66,540,347.33/9,212.48
  6. Step 6: Final answer
    x = 7,222.85

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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.