Home / 7,970.11-11,956.65-3,292.77

Finding the Fourth Proportional to 7,970.11, 11,956.65 and 3,292.77

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Solution

The fourth proportional to 7,970.11, 11,956.65 and 3,292.77 is: 4,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.11 : 11,956.65 = 3,292.77 : x
  2. Step 2: Convert to fraction form
    7,970.11/11,956.65 = 3,292.77/x
  3. Step 3: Cross multiply
    7,970.11x = 11,956.65 × 3,292.77
  4. Step 4: Simplify right side
    7,970.11x = 39,370,498.42
  5. Step 5: Solve for x
    x = 39,370,498.42/7,970.11
  6. Step 6: Final answer
    x = 4,939.77

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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.