Home / 7,953-10,975.14-4,416.78

Finding the Fourth Proportional to 7,953, 10,975.14 and 4,416.78

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Solution

The fourth proportional to 7,953, 10,975.14 and 4,416.78 is: 6,095.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953 : 10,975.14 = 4,416.78 : x
  2. Step 2: Convert to fraction form
    7,953/10,975.14 = 4,416.78/x
  3. Step 3: Cross multiply
    7,953x = 10,975.14 × 4,416.78
  4. Step 4: Simplify right side
    7,953x = 48,474,778.85
  5. Step 5: Solve for x
    x = 48,474,778.85/7,953
  6. Step 6: Final answer
    x = 6,095.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.