Home / 11,031.52-16,533.12-5,175.20

Finding the Fourth Proportional to 11,031.52, 16,533.12 and 5,175.20

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Solution

The fourth proportional to 11,031.52, 16,533.12 and 5,175.20 is: 7,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.52 : 16,533.12 = 5,175.20 : x
  2. Step 2: Convert to fraction form
    11,031.52/16,533.12 = 5,175.20/x
  3. Step 3: Cross multiply
    11,031.52x = 16,533.12 × 5,175.20
  4. Step 4: Simplify right side
    11,031.52x = 85,562,202.62
  5. Step 5: Solve for x
    x = 85,562,202.62/11,031.52
  6. Step 6: Final answer
    x = 7,756.16

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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.