Home / 7,711.34-11,566.96-2,164.69

Finding the Fourth Proportional to 7,711.34, 11,566.96 and 2,164.69

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Solution

The fourth proportional to 7,711.34, 11,566.96 and 2,164.69 is: 3,247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.34 : 11,566.96 = 2,164.69 : x
  2. Step 2: Convert to fraction form
    7,711.34/11,566.96 = 2,164.69/x
  3. Step 3: Cross multiply
    7,711.34x = 11,566.96 × 2,164.69
  4. Step 4: Simplify right side
    7,711.34x = 25,038,882.51
  5. Step 5: Solve for x
    x = 25,038,882.51/7,711.34
  6. Step 6: Final answer
    x = 3,247.02

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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.