Home / 11,026.92-15,219.53-6,781.58

Finding the Fourth Proportional to 11,026.92, 15,219.53 and 6,781.58

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Solution

The fourth proportional to 11,026.92, 15,219.53 and 6,781.58 is: 9,360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.92 : 15,219.53 = 6,781.58 : x
  2. Step 2: Convert to fraction form
    11,026.92/15,219.53 = 6,781.58/x
  3. Step 3: Cross multiply
    11,026.92x = 15,219.53 × 6,781.58
  4. Step 4: Simplify right side
    11,026.92x = 103,212,429.15
  5. Step 5: Solve for x
    x = 103,212,429.15/11,026.92
  6. Step 6: Final answer
    x = 9,360.04

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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.