Home / 11,116.70-16,669.65-6,181.10

Finding the Fourth Proportional to 11,116.70, 16,669.65 and 6,181.10

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Solution

The fourth proportional to 11,116.70, 16,669.65 and 6,181.10 is: 9,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.70 : 16,669.65 = 6,181.10 : x
  2. Step 2: Convert to fraction form
    11,116.70/16,669.65 = 6,181.10/x
  3. Step 3: Cross multiply
    11,116.70x = 16,669.65 × 6,181.10
  4. Step 4: Simplify right side
    11,116.70x = 103,036,773.62
  5. Step 5: Solve for x
    x = 103,036,773.62/11,116.70
  6. Step 6: Final answer
    x = 9,268.65

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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.