Home / 12,209.08-18,313.80-5,633.44

Finding the Fourth Proportional to 12,209.08, 18,313.80 and 5,633.44

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Solution

The fourth proportional to 12,209.08, 18,313.80 and 5,633.44 is: 8,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.08 : 18,313.80 = 5,633.44 : x
  2. Step 2: Convert to fraction form
    12,209.08/18,313.80 = 5,633.44/x
  3. Step 3: Cross multiply
    12,209.08x = 18,313.80 × 5,633.44
  4. Step 4: Simplify right side
    12,209.08x = 103,169,693.47
  5. Step 5: Solve for x
    x = 103,169,693.47/12,209.08
  6. Step 6: Final answer
    x = 8,450.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.