Home / 12,335.24-17,021.31-7,299.68

Finding the Fourth Proportional to 12,335.24, 17,021.31 and 7,299.68

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Solution

The fourth proportional to 12,335.24, 17,021.31 and 7,299.68 is: 10,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.24 : 17,021.31 = 7,299.68 : x
  2. Step 2: Convert to fraction form
    12,335.24/17,021.31 = 7,299.68/x
  3. Step 3: Cross multiply
    12,335.24x = 17,021.31 × 7,299.68
  4. Step 4: Simplify right side
    12,335.24x = 124,250,003.70
  5. Step 5: Solve for x
    x = 124,250,003.70/12,335.24
  6. Step 6: Final answer
    x = 10,072.77

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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.