Home / 11,179.19-15,425.47-6,462.56

Finding the Fourth Proportional to 11,179.19, 15,425.47 and 6,462.56

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Solution

The fourth proportional to 11,179.19, 15,425.47 and 6,462.56 is: 8,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.19 : 15,425.47 = 6,462.56 : x
  2. Step 2: Convert to fraction form
    11,179.19/15,425.47 = 6,462.56/x
  3. Step 3: Cross multiply
    11,179.19x = 15,425.47 × 6,462.56
  4. Step 4: Simplify right side
    11,179.19x = 99,688,072.05
  5. Step 5: Solve for x
    x = 99,688,072.05/11,179.19
  6. Step 6: Final answer
    x = 8,917.29

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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.