Home / 11,435.27-15,774.32-6,654.68

Finding the Fourth Proportional to 11,435.27, 15,774.32 and 6,654.68

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Solution

The fourth proportional to 11,435.27, 15,774.32 and 6,654.68 is: 9,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.27 : 15,774.32 = 6,654.68 : x
  2. Step 2: Convert to fraction form
    11,435.27/15,774.32 = 6,654.68/x
  3. Step 3: Cross multiply
    11,435.27x = 15,774.32 × 6,654.68
  4. Step 4: Simplify right side
    11,435.27x = 104,972,939.67
  5. Step 5: Solve for x
    x = 104,972,939.67/11,435.27
  6. Step 6: Final answer
    x = 9,179.76

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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.