Home / 11,013.38-15,191.54-6,533.96

Finding the Fourth Proportional to 11,013.38, 15,191.54 and 6,533.96

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Solution

The fourth proportional to 11,013.38, 15,191.54 and 6,533.96 is: 9,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.38 : 15,191.54 = 6,533.96 : x
  2. Step 2: Convert to fraction form
    11,013.38/15,191.54 = 6,533.96/x
  3. Step 3: Cross multiply
    11,013.38x = 15,191.54 × 6,533.96
  4. Step 4: Simplify right side
    11,013.38x = 99,260,855.08
  5. Step 5: Solve for x
    x = 99,260,855.08/11,013.38
  6. Step 6: Final answer
    x = 9,012.76

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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.