Home / 12,212.25-16,853.82-7,497.45

Finding the Fourth Proportional to 12,212.25, 16,853.82 and 7,497.45

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Solution

The fourth proportional to 12,212.25, 16,853.82 and 7,497.45 is: 10,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.25 : 16,853.82 = 7,497.45 : x
  2. Step 2: Convert to fraction form
    12,212.25/16,853.82 = 7,497.45/x
  3. Step 3: Cross multiply
    12,212.25x = 16,853.82 × 7,497.45
  4. Step 4: Simplify right side
    12,212.25x = 126,360,672.76
  5. Step 5: Solve for x
    x = 126,360,672.76/12,212.25
  6. Step 6: Final answer
    x = 10,347.04

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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.