Home / 12,212.52-16,853.28-6,623.52

Finding the Fourth Proportional to 12,212.52, 16,853.28 and 6,623.52

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Solution

The fourth proportional to 12,212.52, 16,853.28 and 6,623.52 is: 9,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.52 : 16,853.28 = 6,623.52 : x
  2. Step 2: Convert to fraction form
    12,212.52/16,853.28 = 6,623.52/x
  3. Step 3: Cross multiply
    12,212.52x = 16,853.28 × 6,623.52
  4. Step 4: Simplify right side
    12,212.52x = 111,628,095.84
  5. Step 5: Solve for x
    x = 111,628,095.84/12,212.52
  6. Step 6: Final answer
    x = 9,140.46

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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.