Home / 12,372.09-18,567.24-7,698.97

Finding the Fourth Proportional to 12,372.09, 18,567.24 and 7,698.97

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Solution

The fourth proportional to 12,372.09, 18,567.24 and 7,698.97 is: 11,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.09 : 18,567.24 = 7,698.97 : x
  2. Step 2: Convert to fraction form
    12,372.09/18,567.24 = 7,698.97/x
  3. Step 3: Cross multiply
    12,372.09x = 18,567.24 × 7,698.97
  4. Step 4: Simplify right side
    12,372.09x = 142,948,623.74
  5. Step 5: Solve for x
    x = 142,948,623.74/12,372.09
  6. Step 6: Final answer
    x = 11,554.12

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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.