Home / 12,996.10-19,484.55-5,200.90

Finding the Fourth Proportional to 12,996.10, 19,484.55 and 5,200.90

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Solution

The fourth proportional to 12,996.10, 19,484.55 and 5,200.90 is: 7,797.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.10 : 19,484.55 = 5,200.90 : x
  2. Step 2: Convert to fraction form
    12,996.10/19,484.55 = 5,200.90/x
  3. Step 3: Cross multiply
    12,996.10x = 19,484.55 × 5,200.90
  4. Step 4: Simplify right side
    12,996.10x = 101,337,196.10
  5. Step 5: Solve for x
    x = 101,337,196.10/12,996.10
  6. Step 6: Final answer
    x = 7,797.51

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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.