Home / 9,211.12-12,712.06-5,233.48

Finding the Fourth Proportional to 9,211.12, 12,712.06 and 5,233.48

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Solution

The fourth proportional to 9,211.12, 12,712.06 and 5,233.48 is: 7,222.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.12 : 12,712.06 = 5,233.48 : x
  2. Step 2: Convert to fraction form
    9,211.12/12,712.06 = 5,233.48/x
  3. Step 3: Cross multiply
    9,211.12x = 12,712.06 × 5,233.48
  4. Step 4: Simplify right side
    9,211.12x = 66,528,311.77
  5. Step 5: Solve for x
    x = 66,528,311.77/9,211.12
  6. Step 6: Final answer
    x = 7,222.61

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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.