Home / 11,202.84-15,460.07-6,486.21

Finding the Fourth Proportional to 11,202.84, 15,460.07 and 6,486.21

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Solution

The fourth proportional to 11,202.84, 15,460.07 and 6,486.21 is: 8,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.84 : 15,460.07 = 6,486.21 : x
  2. Step 2: Convert to fraction form
    11,202.84/15,460.07 = 6,486.21/x
  3. Step 3: Cross multiply
    11,202.84x = 15,460.07 × 6,486.21
  4. Step 4: Simplify right side
    11,202.84x = 100,277,228.20
  5. Step 5: Solve for x
    x = 100,277,228.20/11,202.84
  6. Step 6: Final answer
    x = 8,951.05

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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.