Home / 7,388.03-10,192.60-4,871.46

Finding the Fourth Proportional to 7,388.03, 10,192.60 and 4,871.46

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Solution

The fourth proportional to 7,388.03, 10,192.60 and 4,871.46 is: 6,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.03 : 10,192.60 = 4,871.46 : x
  2. Step 2: Convert to fraction form
    7,388.03/10,192.60 = 4,871.46/x
  3. Step 3: Cross multiply
    7,388.03x = 10,192.60 × 4,871.46
  4. Step 4: Simplify right side
    7,388.03x = 49,652,843.20
  5. Step 5: Solve for x
    x = 49,652,843.20/7,388.03
  6. Step 6: Final answer
    x = 6,720.71

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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.