Home / 11,102.12-15,320.69-6,066.36

Finding the Fourth Proportional to 11,102.12, 15,320.69 and 6,066.36

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Solution

The fourth proportional to 11,102.12, 15,320.69 and 6,066.36 is: 8,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.12 : 15,320.69 = 6,066.36 : x
  2. Step 2: Convert to fraction form
    11,102.12/15,320.69 = 6,066.36/x
  3. Step 3: Cross multiply
    11,102.12x = 15,320.69 × 6,066.36
  4. Step 4: Simplify right side
    11,102.12x = 92,940,790.66
  5. Step 5: Solve for x
    x = 92,940,790.66/11,102.12
  6. Step 6: Final answer
    x = 8,371.45

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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.