Home / 11,220.48-16,835.04-4,293.36

Finding the Fourth Proportional to 11,220.48, 16,835.04 and 4,293.36

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Solution

The fourth proportional to 11,220.48, 16,835.04 and 4,293.36 is: 6,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.48 : 16,835.04 = 4,293.36 : x
  2. Step 2: Convert to fraction form
    11,220.48/16,835.04 = 4,293.36/x
  3. Step 3: Cross multiply
    11,220.48x = 16,835.04 × 4,293.36
  4. Step 4: Simplify right side
    11,220.48x = 72,278,887.33
  5. Step 5: Solve for x
    x = 72,278,887.33/11,220.48
  6. Step 6: Final answer
    x = 6,441.69

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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.