Home / 11,849.70-17,774.86-5,612.64

Finding the Fourth Proportional to 11,849.70, 17,774.86 and 5,612.64

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Solution

The fourth proportional to 11,849.70, 17,774.86 and 5,612.64 is: 8,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,849.70 : 17,774.86 = 5,612.64 : x
  2. Step 2: Convert to fraction form
    11,849.70/17,774.86 = 5,612.64/x
  3. Step 3: Cross multiply
    11,849.70x = 17,774.86 × 5,612.64
  4. Step 4: Simplify right side
    11,849.70x = 99,763,890.23
  5. Step 5: Solve for x
    x = 99,763,890.23/11,849.70
  6. Step 6: Final answer
    x = 8,419.11

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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.