Home / 11,445.32-17,170.66-3,547.42

Finding the Fourth Proportional to 11,445.32, 17,170.66 and 3,547.42

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Solution

The fourth proportional to 11,445.32, 17,170.66 and 3,547.42 is: 5,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.32 : 17,170.66 = 3,547.42 : x
  2. Step 2: Convert to fraction form
    11,445.32/17,170.66 = 3,547.42/x
  3. Step 3: Cross multiply
    11,445.32x = 17,170.66 × 3,547.42
  4. Step 4: Simplify right side
    11,445.32x = 60,911,524.96
  5. Step 5: Solve for x
    x = 60,911,524.96/11,445.32
  6. Step 6: Final answer
    x = 5,321.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.