Home / 7,388.28-10,195.68-4,031.16

Finding the Fourth Proportional to 7,388.28, 10,195.68 and 4,031.16

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Solution

The fourth proportional to 7,388.28, 10,195.68 and 4,031.16 is: 5,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.28 : 10,195.68 = 4,031.16 : x
  2. Step 2: Convert to fraction form
    7,388.28/10,195.68 = 4,031.16/x
  3. Step 3: Cross multiply
    7,388.28x = 10,195.68 × 4,031.16
  4. Step 4: Simplify right side
    7,388.28x = 41,100,417.39
  5. Step 5: Solve for x
    x = 41,100,417.39/7,388.28
  6. Step 6: Final answer
    x = 5,562.92

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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.