Home / 12,209.08-16,848.46-6,619.96

Finding the Fourth Proportional to 12,209.08, 16,848.46 and 6,619.96

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Solution

The fourth proportional to 12,209.08, 16,848.46 and 6,619.96 is: 9,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.08 : 16,848.46 = 6,619.96 : x
  2. Step 2: Convert to fraction form
    12,209.08/16,848.46 = 6,619.96/x
  3. Step 3: Cross multiply
    12,209.08x = 16,848.46 × 6,619.96
  4. Step 4: Simplify right side
    12,209.08x = 111,536,131.26
  5. Step 5: Solve for x
    x = 111,536,131.26/12,209.08
  6. Step 6: Final answer
    x = 9,135.51

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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.