Home / 11,477.42-17,180.35-8,838.07

Finding the Fourth Proportional to 11,477.42, 17,180.35 and 8,838.07

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Solution

The fourth proportional to 11,477.42, 17,180.35 and 8,838.07 is: 13,229.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.42 : 17,180.35 = 8,838.07 : x
  2. Step 2: Convert to fraction form
    11,477.42/17,180.35 = 8,838.07/x
  3. Step 3: Cross multiply
    11,477.42x = 17,180.35 × 8,838.07
  4. Step 4: Simplify right side
    11,477.42x = 151,841,135.92
  5. Step 5: Solve for x
    x = 151,841,135.92/11,477.42
  6. Step 6: Final answer
    x = 13,229.55

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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.