Home / 7,603.11-11,409.57-3,705.39

Finding the Fourth Proportional to 7,603.11, 11,409.57 and 3,705.39

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Solution

The fourth proportional to 7,603.11, 11,409.57 and 3,705.39 is: 5,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.11 : 11,409.57 = 3,705.39 : x
  2. Step 2: Convert to fraction form
    7,603.11/11,409.57 = 3,705.39/x
  3. Step 3: Cross multiply
    7,603.11x = 11,409.57 × 3,705.39
  4. Step 4: Simplify right side
    7,603.11x = 42,276,906.58
  5. Step 5: Solve for x
    x = 42,276,906.58/7,603.11
  6. Step 6: Final answer
    x = 5,560.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.