Home / 11,223.90-16,836.12-4,645.62

Finding the Fourth Proportional to 11,223.90, 16,836.12 and 4,645.62

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Solution

The fourth proportional to 11,223.90, 16,836.12 and 4,645.62 is: 6,968.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.90 : 16,836.12 = 4,645.62 : x
  2. Step 2: Convert to fraction form
    11,223.90/16,836.12 = 4,645.62/x
  3. Step 3: Cross multiply
    11,223.90x = 16,836.12 × 4,645.62
  4. Step 4: Simplify right side
    11,223.90x = 78,214,215.79
  5. Step 5: Solve for x
    x = 78,214,215.79/11,223.90
  6. Step 6: Final answer
    x = 6,968.54

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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.