Home / 7,990.52-11,023.44-4,805.06

Finding the Fourth Proportional to 7,990.52, 11,023.44 and 4,805.06

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Solution

The fourth proportional to 7,990.52, 11,023.44 and 4,805.06 is: 6,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.52 : 11,023.44 = 4,805.06 : x
  2. Step 2: Convert to fraction form
    7,990.52/11,023.44 = 4,805.06/x
  3. Step 3: Cross multiply
    7,990.52x = 11,023.44 × 4,805.06
  4. Step 4: Simplify right side
    7,990.52x = 52,968,290.61
  5. Step 5: Solve for x
    x = 52,968,290.61/7,990.52
  6. Step 6: Final answer
    x = 6,628.89

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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.