Home / 7,985.52-11,991.24-4,926.96

Finding the Fourth Proportional to 7,985.52, 11,991.24 and 4,926.96

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Solution

The fourth proportional to 7,985.52, 11,991.24 and 4,926.96 is: 7,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.52 : 11,991.24 = 4,926.96 : x
  2. Step 2: Convert to fraction form
    7,985.52/11,991.24 = 4,926.96/x
  3. Step 3: Cross multiply
    7,985.52x = 11,991.24 × 4,926.96
  4. Step 4: Simplify right side
    7,985.52x = 59,080,359.83
  5. Step 5: Solve for x
    x = 59,080,359.83/7,985.52
  6. Step 6: Final answer
    x = 7,398.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.