Home / 8,066.81-11,112.35-6,867.95

Finding the Fourth Proportional to 8,066.81, 11,112.35 and 6,867.95

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Solution

The fourth proportional to 8,066.81, 11,112.35 and 6,867.95 is: 9,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.81 : 11,112.35 = 6,867.95 : x
  2. Step 2: Convert to fraction form
    8,066.81/11,112.35 = 6,867.95/x
  3. Step 3: Cross multiply
    8,066.81x = 11,112.35 × 6,867.95
  4. Step 4: Simplify right side
    8,066.81x = 76,318,974.28
  5. Step 5: Solve for x
    x = 76,318,974.28/8,066.81
  6. Step 6: Final answer
    x = 9,460.86

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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.