Home / 13,463.12-18,583.30-9,212.58

Finding the Fourth Proportional to 13,463.12, 18,583.30 and 9,212.58

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Solution

The fourth proportional to 13,463.12, 18,583.30 and 9,212.58 is: 12,716.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.12 : 18,583.30 = 9,212.58 : x
  2. Step 2: Convert to fraction form
    13,463.12/18,583.30 = 9,212.58/x
  3. Step 3: Cross multiply
    13,463.12x = 18,583.30 × 9,212.58
  4. Step 4: Simplify right side
    13,463.12x = 171,200,137.91
  5. Step 5: Solve for x
    x = 171,200,137.91/13,463.12
  6. Step 6: Final answer
    x = 12,716.23

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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.