Home / 12,212.10-16,852.86-6,623.10

Finding the Fourth Proportional to 12,212.10, 16,852.86 and 6,623.10

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Solution

The fourth proportional to 12,212.10, 16,852.86 and 6,623.10 is: 9,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.10 : 16,852.86 = 6,623.10 : x
  2. Step 2: Convert to fraction form
    12,212.10/16,852.86 = 6,623.10/x
  3. Step 3: Cross multiply
    12,212.10x = 16,852.86 × 6,623.10
  4. Step 4: Simplify right side
    12,212.10x = 111,618,177.07
  5. Step 5: Solve for x
    x = 111,618,177.07/12,212.10
  6. Step 6: Final answer
    x = 9,139.97

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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.