Home / 12,388.51-17,096.16-7,083.44

Finding the Fourth Proportional to 12,388.51, 17,096.16 and 7,083.44

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Solution

The fourth proportional to 12,388.51, 17,096.16 and 7,083.44 is: 9,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388.51 : 17,096.16 = 7,083.44 : x
  2. Step 2: Convert to fraction form
    12,388.51/17,096.16 = 7,083.44/x
  3. Step 3: Cross multiply
    12,388.51x = 17,096.16 × 7,083.44
  4. Step 4: Simplify right side
    12,388.51x = 121,099,502.69
  5. Step 5: Solve for x
    x = 121,099,502.69/12,388.51
  6. Step 6: Final answer
    x = 9,775.15

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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.