Home / 10,271.88-15,404.20-3,607.68

Finding the Fourth Proportional to 10,271.88, 15,404.20 and 3,607.68

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Solution

The fourth proportional to 10,271.88, 15,404.20 and 3,607.68 is: 5,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.88 : 15,404.20 = 3,607.68 : x
  2. Step 2: Convert to fraction form
    10,271.88/15,404.20 = 3,607.68/x
  3. Step 3: Cross multiply
    10,271.88x = 15,404.20 × 3,607.68
  4. Step 4: Simplify right side
    10,271.88x = 55,573,424.26
  5. Step 5: Solve for x
    x = 55,573,424.26/10,271.88
  6. Step 6: Final answer
    x = 5,410.25

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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.