Home / 11,073.78-15,278.15-6,293.16

Finding the Fourth Proportional to 11,073.78, 15,278.15 and 6,293.16

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Solution

The fourth proportional to 11,073.78, 15,278.15 and 6,293.16 is: 8,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,073.78 : 15,278.15 = 6,293.16 : x
  2. Step 2: Convert to fraction form
    11,073.78/15,278.15 = 6,293.16/x
  3. Step 3: Cross multiply
    11,073.78x = 15,278.15 × 6,293.16
  4. Step 4: Simplify right side
    11,073.78x = 96,147,858.19
  5. Step 5: Solve for x
    x = 96,147,858.19/11,073.78
  6. Step 6: Final answer
    x = 8,682.48

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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.