Home / 7,979.68-11,971.52-4,695.52

Finding the Fourth Proportional to 7,979.68, 11,971.52 and 4,695.52

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Solution

The fourth proportional to 7,979.68, 11,971.52 and 4,695.52 is: 7,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.68 : 11,971.52 = 4,695.52 : x
  2. Step 2: Convert to fraction form
    7,979.68/11,971.52 = 4,695.52/x
  3. Step 3: Cross multiply
    7,979.68x = 11,971.52 × 4,695.52
  4. Step 4: Simplify right side
    7,979.68x = 56,212,511.59
  5. Step 5: Solve for x
    x = 56,212,511.59/7,979.68
  6. Step 6: Final answer
    x = 7,044.46

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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.