Home / 8,019.12-11,066.06-4,661.78

Finding the Fourth Proportional to 8,019.12, 11,066.06 and 4,661.78

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Solution

The fourth proportional to 8,019.12, 11,066.06 and 4,661.78 is: 6,433.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.12 : 11,066.06 = 4,661.78 : x
  2. Step 2: Convert to fraction form
    8,019.12/11,066.06 = 4,661.78/x
  3. Step 3: Cross multiply
    8,019.12x = 11,066.06 × 4,661.78
  4. Step 4: Simplify right side
    8,019.12x = 51,587,458.55
  5. Step 5: Solve for x
    x = 51,587,458.55/8,019.12
  6. Step 6: Final answer
    x = 6,433.06

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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.