Home / 12,664.22-17,476.58-7,075.22

Finding the Fourth Proportional to 12,664.22, 17,476.58 and 7,075.22

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Solution

The fourth proportional to 12,664.22, 17,476.58 and 7,075.22 is: 9,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.22 : 17,476.58 = 7,075.22 : x
  2. Step 2: Convert to fraction form
    12,664.22/17,476.58 = 7,075.22/x
  3. Step 3: Cross multiply
    12,664.22x = 17,476.58 × 7,075.22
  4. Step 4: Simplify right side
    12,664.22x = 123,650,578.65
  5. Step 5: Solve for x
    x = 123,650,578.65/12,664.22
  6. Step 6: Final answer
    x = 9,763.78

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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.