Home / 11,449.76-15,797.68-6,603.32

Finding the Fourth Proportional to 11,449.76, 15,797.68 and 6,603.32

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Solution

The fourth proportional to 11,449.76, 15,797.68 and 6,603.32 is: 9,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.76 : 15,797.68 = 6,603.32 : x
  2. Step 2: Convert to fraction form
    11,449.76/15,797.68 = 6,603.32/x
  3. Step 3: Cross multiply
    11,449.76x = 15,797.68 × 6,603.32
  4. Step 4: Simplify right side
    11,449.76x = 104,317,054.67
  5. Step 5: Solve for x
    x = 104,317,054.67/11,449.76
  6. Step 6: Final answer
    x = 9,110.85

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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.