Home / 7,990.08-11,026.42-4,633.12

Finding the Fourth Proportional to 7,990.08, 11,026.42 and 4,633.12

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Solution

The fourth proportional to 7,990.08, 11,026.42 and 4,633.12 is: 6,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.08 : 11,026.42 = 4,633.12 : x
  2. Step 2: Convert to fraction form
    7,990.08/11,026.42 = 4,633.12/x
  3. Step 3: Cross multiply
    7,990.08x = 11,026.42 × 4,633.12
  4. Step 4: Simplify right side
    7,990.08x = 51,086,727.03
  5. Step 5: Solve for x
    x = 51,086,727.03/7,990.08
  6. Step 6: Final answer
    x = 6,393.77

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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.