Home / 12,372.24-17,074.12-6,783.24

Finding the Fourth Proportional to 12,372.24, 17,074.12 and 6,783.24

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Solution

The fourth proportional to 12,372.24, 17,074.12 and 6,783.24 is: 9,361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.24 : 17,074.12 = 6,783.24 : x
  2. Step 2: Convert to fraction form
    12,372.24/17,074.12 = 6,783.24/x
  3. Step 3: Cross multiply
    12,372.24x = 17,074.12 × 6,783.24
  4. Step 4: Simplify right side
    12,372.24x = 115,817,853.75
  5. Step 5: Solve for x
    x = 115,817,853.75/12,372.24
  6. Step 6: Final answer
    x = 9,361.11

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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.