Home / 12,610.33-17,370.18-9,620.98

Finding the Fourth Proportional to 12,610.33, 17,370.18 and 9,620.98

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Solution

The fourth proportional to 12,610.33, 17,370.18 and 9,620.98 is: 13,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.33 : 17,370.18 = 9,620.98 : x
  2. Step 2: Convert to fraction form
    12,610.33/17,370.18 = 9,620.98/x
  3. Step 3: Cross multiply
    12,610.33x = 17,370.18 × 9,620.98
  4. Step 4: Simplify right side
    12,610.33x = 167,118,110.95
  5. Step 5: Solve for x
    x = 167,118,110.95/12,610.33
  6. Step 6: Final answer
    x = 13,252.48

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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.