Home / 11,072.70-15,280.38-6,595.56

Finding the Fourth Proportional to 11,072.70, 15,280.38 and 6,595.56

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Solution

The fourth proportional to 11,072.70, 15,280.38 and 6,595.56 is: 9,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.70 : 15,280.38 = 6,595.56 : x
  2. Step 2: Convert to fraction form
    11,072.70/15,280.38 = 6,595.56/x
  3. Step 3: Cross multiply
    11,072.70x = 15,280.38 × 6,595.56
  4. Step 4: Simplify right side
    11,072.70x = 100,782,663.11
  5. Step 5: Solve for x
    x = 100,782,663.11/11,072.70
  6. Step 6: Final answer
    x = 9,101.90

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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.