Home / 12,211.37-16,849.55-7,497.17

Finding the Fourth Proportional to 12,211.37, 16,849.55 and 7,497.17

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Solution

The fourth proportional to 12,211.37, 16,849.55 and 7,497.17 is: 10,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.37 : 16,849.55 = 7,497.17 : x
  2. Step 2: Convert to fraction form
    12,211.37/16,849.55 = 7,497.17/x
  3. Step 3: Cross multiply
    12,211.37x = 16,849.55 × 7,497.17
  4. Step 4: Simplify right side
    12,211.37x = 126,323,940.77
  5. Step 5: Solve for x
    x = 126,323,940.77/12,211.37
  6. Step 6: Final answer
    x = 10,344.78

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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.