Home / 7,465.32-11,187.87-2,845.80

Finding the Fourth Proportional to 7,465.32, 11,187.87 and 2,845.80

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Solution

The fourth proportional to 7,465.32, 11,187.87 and 2,845.80 is: 4,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.32 : 11,187.87 = 2,845.80 : x
  2. Step 2: Convert to fraction form
    7,465.32/11,187.87 = 2,845.80/x
  3. Step 3: Cross multiply
    7,465.32x = 11,187.87 × 2,845.80
  4. Step 4: Simplify right side
    7,465.32x = 31,838,440.45
  5. Step 5: Solve for x
    x = 31,838,440.45/7,465.32
  6. Step 6: Final answer
    x = 4,264.85

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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.