Home / 13,195.04-18,208.46-7,226.58

Finding the Fourth Proportional to 13,195.04, 18,208.46 and 7,226.58

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Solution

The fourth proportional to 13,195.04, 18,208.46 and 7,226.58 is: 9,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.04 : 18,208.46 = 7,226.58 : x
  2. Step 2: Convert to fraction form
    13,195.04/18,208.46 = 7,226.58/x
  3. Step 3: Cross multiply
    13,195.04x = 18,208.46 × 7,226.58
  4. Step 4: Simplify right side
    13,195.04x = 131,584,892.87
  5. Step 5: Solve for x
    x = 131,584,892.87/13,195.04
  6. Step 6: Final answer
    x = 9,972.30

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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.