Home / 11,017.72-15,202.08-6,542.98

Finding the Fourth Proportional to 11,017.72, 15,202.08 and 6,542.98

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Solution

The fourth proportional to 11,017.72, 15,202.08 and 6,542.98 is: 9,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.72 : 15,202.08 = 6,542.98 : x
  2. Step 2: Convert to fraction form
    11,017.72/15,202.08 = 6,542.98/x
  3. Step 3: Cross multiply
    11,017.72x = 15,202.08 × 6,542.98
  4. Step 4: Simplify right side
    11,017.72x = 99,466,867.39
  5. Step 5: Solve for x
    x = 99,466,867.39/11,017.72
  6. Step 6: Final answer
    x = 9,027.90

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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.