Home / 12,748.95-17,593.31-7,083.65

Finding the Fourth Proportional to 12,748.95, 17,593.31 and 7,083.65

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Solution

The fourth proportional to 12,748.95, 17,593.31 and 7,083.65 is: 9,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.95 : 17,593.31 = 7,083.65 : x
  2. Step 2: Convert to fraction form
    12,748.95/17,593.31 = 7,083.65/x
  3. Step 3: Cross multiply
    12,748.95x = 17,593.31 × 7,083.65
  4. Step 4: Simplify right side
    12,748.95x = 124,624,912.07
  5. Step 5: Solve for x
    x = 124,624,912.07/12,748.95
  6. Step 6: Final answer
    x = 9,775.31

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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.