Home / 12,388.54-17,096.19-7,083.46

Finding the Fourth Proportional to 12,388.54, 17,096.19 and 7,083.46

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Solution

The fourth proportional to 12,388.54, 17,096.19 and 7,083.46 is: 9,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388.54 : 17,096.19 = 7,083.46 : x
  2. Step 2: Convert to fraction form
    12,388.54/17,096.19 = 7,083.46/x
  3. Step 3: Cross multiply
    12,388.54x = 17,096.19 × 7,083.46
  4. Step 4: Simplify right side
    12,388.54x = 121,100,178.02
  5. Step 5: Solve for x
    x = 121,100,178.02/12,388.54
  6. Step 6: Final answer
    x = 9,775.18

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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.