Home / 10,097.20-15,145.08-3,173.68

Finding the Fourth Proportional to 10,097.20, 15,145.08 and 3,173.68

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Solution

The fourth proportional to 10,097.20, 15,145.08 and 3,173.68 is: 4,760.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.20 : 15,145.08 = 3,173.68 : x
  2. Step 2: Convert to fraction form
    10,097.20/15,145.08 = 3,173.68/x
  3. Step 3: Cross multiply
    10,097.20x = 15,145.08 × 3,173.68
  4. Step 4: Simplify right side
    10,097.20x = 48,065,637.49
  5. Step 5: Solve for x
    x = 48,065,637.49/10,097.20
  6. Step 6: Final answer
    x = 4,760.29

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1.5x scale

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.