Home / 11,074.78-15,283.48-6,294.62

Finding the Fourth Proportional to 11,074.78, 15,283.48 and 6,294.62

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Solution

The fourth proportional to 11,074.78, 15,283.48 and 6,294.62 is: 8,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074.78 : 15,283.48 = 6,294.62 : x
  2. Step 2: Convert to fraction form
    11,074.78/15,283.48 = 6,294.62/x
  3. Step 3: Cross multiply
    11,074.78x = 15,283.48 × 6,294.62
  4. Step 4: Simplify right side
    11,074.78x = 96,203,698.88
  5. Step 5: Solve for x
    x = 96,203,698.88/11,074.78
  6. Step 6: Final answer
    x = 8,686.74

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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.