Home / 7,367.20-10,172.16-5,008.48

Finding the Fourth Proportional to 7,367.20, 10,172.16 and 5,008.48

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Solution

The fourth proportional to 7,367.20, 10,172.16 and 5,008.48 is: 6,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,367.20 : 10,172.16 = 5,008.48 : x
  2. Step 2: Convert to fraction form
    7,367.20/10,172.16 = 5,008.48/x
  3. Step 3: Cross multiply
    7,367.20x = 10,172.16 × 5,008.48
  4. Step 4: Simplify right side
    7,367.20x = 50,947,059.92
  5. Step 5: Solve for x
    x = 50,947,059.92/7,367.20
  6. Step 6: Final answer
    x = 6,915.39

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1.5x scale

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.