Home / 11,176.67-15,437.45-8,356.56

Finding the Fourth Proportional to 11,176.67, 15,437.45 and 8,356.56

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Solution

The fourth proportional to 11,176.67, 15,437.45 and 8,356.56 is: 11,542.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.67 : 15,437.45 = 8,356.56 : x
  2. Step 2: Convert to fraction form
    11,176.67/15,437.45 = 8,356.56/x
  3. Step 3: Cross multiply
    11,176.67x = 15,437.45 × 8,356.56
  4. Step 4: Simplify right side
    11,176.67x = 129,003,977.17
  5. Step 5: Solve for x
    x = 129,003,977.17/11,176.67
  6. Step 6: Final answer
    x = 11,542.26

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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.