Home / 13,212.06-18,244.98-8,504.52

Finding the Fourth Proportional to 13,212.06, 18,244.98 and 8,504.52

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Solution

The fourth proportional to 13,212.06, 18,244.98 and 8,504.52 is: 11,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.06 : 18,244.98 = 8,504.52 : x
  2. Step 2: Convert to fraction form
    13,212.06/18,244.98 = 8,504.52/x
  3. Step 3: Cross multiply
    13,212.06x = 18,244.98 × 8,504.52
  4. Step 4: Simplify right side
    13,212.06x = 155,164,797.31
  5. Step 5: Solve for x
    x = 155,164,797.31/13,212.06
  6. Step 6: Final answer
    x = 11,744.18

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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.