Home / 12,995.06-17,933.18-7,329.80

Finding the Fourth Proportional to 12,995.06, 17,933.18 and 7,329.80

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Solution

The fourth proportional to 12,995.06, 17,933.18 and 7,329.80 is: 10,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995.06 : 17,933.18 = 7,329.80 : x
  2. Step 2: Convert to fraction form
    12,995.06/17,933.18 = 7,329.80/x
  3. Step 3: Cross multiply
    12,995.06x = 17,933.18 × 7,329.80
  4. Step 4: Simplify right side
    12,995.06x = 131,446,622.76
  5. Step 5: Solve for x
    x = 131,446,622.76/12,995.06
  6. Step 6: Final answer
    x = 10,115.12

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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.