Home / 7,308.36-10,972.26-4,191.48

Finding the Fourth Proportional to 7,308.36, 10,972.26 and 4,191.48

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Solution

The fourth proportional to 7,308.36, 10,972.26 and 4,191.48 is: 6,292.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.36 : 10,972.26 = 4,191.48 : x
  2. Step 2: Convert to fraction form
    7,308.36/10,972.26 = 4,191.48/x
  3. Step 3: Cross multiply
    7,308.36x = 10,972.26 × 4,191.48
  4. Step 4: Simplify right side
    7,308.36x = 45,990,008.34
  5. Step 5: Solve for x
    x = 45,990,008.34/7,308.36
  6. Step 6: Final answer
    x = 6,292.79

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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.