Home / 7,990.48-11,027.68-4,848.88

Finding the Fourth Proportional to 7,990.48, 11,027.68 and 4,848.88

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Solution

The fourth proportional to 7,990.48, 11,027.68 and 4,848.88 is: 6,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.48 : 11,027.68 = 4,848.88 : x
  2. Step 2: Convert to fraction form
    7,990.48/11,027.68 = 4,848.88/x
  3. Step 3: Cross multiply
    7,990.48x = 11,027.68 × 4,848.88
  4. Step 4: Simplify right side
    7,990.48x = 53,471,897.00
  5. Step 5: Solve for x
    x = 53,471,897.00/7,990.48
  6. Step 6: Final answer
    x = 6,691.95

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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.