Home / 11,181.51-16,772.40-10,591.02

Finding the Fourth Proportional to 11,181.51, 16,772.40 and 10,591.02

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Solution

The fourth proportional to 11,181.51, 16,772.40 and 10,591.02 is: 15,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.51 : 16,772.40 = 10,591.02 : x
  2. Step 2: Convert to fraction form
    11,181.51/16,772.40 = 10,591.02/x
  3. Step 3: Cross multiply
    11,181.51x = 16,772.40 × 10,591.02
  4. Step 4: Simplify right side
    11,181.51x = 177,636,823.85
  5. Step 5: Solve for x
    x = 177,636,823.85/11,181.51
  6. Step 6: Final answer
    x = 15,886.66

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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.