Home / 7,239.11-9,992.32-5,566.06

Finding the Fourth Proportional to 7,239.11, 9,992.32 and 5,566.06

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Solution

The fourth proportional to 7,239.11, 9,992.32 and 5,566.06 is: 7,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.11 : 9,992.32 = 5,566.06 : x
  2. Step 2: Convert to fraction form
    7,239.11/9,992.32 = 5,566.06/x
  3. Step 3: Cross multiply
    7,239.11x = 9,992.32 × 5,566.06
  4. Step 4: Simplify right side
    7,239.11x = 55,617,852.66
  5. Step 5: Solve for x
    x = 55,617,852.66/7,239.11
  6. Step 6: Final answer
    x = 7,682.97

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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.