Home / 11,179.92-15,427.50-6,701.42

Finding the Fourth Proportional to 11,179.92, 15,427.50 and 6,701.42

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Solution

The fourth proportional to 11,179.92, 15,427.50 and 6,701.42 is: 9,247.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.92 : 15,427.50 = 6,701.42 : x
  2. Step 2: Convert to fraction form
    11,179.92/15,427.50 = 6,701.42/x
  3. Step 3: Cross multiply
    11,179.92x = 15,427.50 × 6,701.42
  4. Step 4: Simplify right side
    11,179.92x = 103,386,157.05
  5. Step 5: Solve for x
    x = 103,386,157.05/11,179.92
  6. Step 6: Final answer
    x = 9,247.49

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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.