Home / 11,208.84-15,467.60-6,172.07

Finding the Fourth Proportional to 11,208.84, 15,467.60 and 6,172.07

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Solution

The fourth proportional to 11,208.84, 15,467.60 and 6,172.07 is: 8,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.84 : 15,467.60 = 6,172.07 : x
  2. Step 2: Convert to fraction form
    11,208.84/15,467.60 = 6,172.07/x
  3. Step 3: Cross multiply
    11,208.84x = 15,467.60 × 6,172.07
  4. Step 4: Simplify right side
    11,208.84x = 95,467,146.74
  5. Step 5: Solve for x
    x = 95,467,146.74/11,208.84
  6. Step 6: Final answer
    x = 8,517.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.