Home / 9,910.11-13,678.56-6,132.68

Finding the Fourth Proportional to 9,910.11, 13,678.56 and 6,132.68

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Solution

The fourth proportional to 9,910.11, 13,678.56 and 6,132.68 is: 8,464.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.11 : 13,678.56 = 6,132.68 : x
  2. Step 2: Convert to fraction form
    9,910.11/13,678.56 = 6,132.68/x
  3. Step 3: Cross multiply
    9,910.11x = 13,678.56 × 6,132.68
  4. Step 4: Simplify right side
    9,910.11x = 83,886,162.95
  5. Step 5: Solve for x
    x = 83,886,162.95/9,910.11
  6. Step 6: Final answer
    x = 8,464.71

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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.