Home / 11,643.18-16,067.04-6,607.32

Finding the Fourth Proportional to 11,643.18, 16,067.04 and 6,607.32

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Solution

The fourth proportional to 11,643.18, 16,067.04 and 6,607.32 is: 9,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.18 : 16,067.04 = 6,607.32 : x
  2. Step 2: Convert to fraction form
    11,643.18/16,067.04 = 6,607.32/x
  3. Step 3: Cross multiply
    11,643.18x = 16,067.04 × 6,607.32
  4. Step 4: Simplify right side
    11,643.18x = 106,160,074.73
  5. Step 5: Solve for x
    x = 106,160,074.73/11,643.18
  6. Step 6: Final answer
    x = 9,117.79

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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.