Home / 34,135.75-51,203.55-9,175.80

Finding the Fourth Proportional to 34,135.75, 51,203.55 and 9,175.80

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Solution

The fourth proportional to 34,135.75, 51,203.55 and 9,175.80 is: 13,763.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,135.75 : 51,203.55 = 9,175.80 : x
  2. Step 2: Convert to fraction form
    34,135.75/51,203.55 = 9,175.80/x
  3. Step 3: Cross multiply
    34,135.75x = 51,203.55 × 9,175.80
  4. Step 4: Simplify right side
    34,135.75x = 469,833,534.09
  5. Step 5: Solve for x
    x = 469,833,534.09/34,135.75
  6. Step 6: Final answer
    x = 13,763.68

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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.