Home / 8,828.15-13,247.80-4,935.11

Finding the Fourth Proportional to 8,828.15, 13,247.80 and 4,935.11

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Solution

The fourth proportional to 8,828.15, 13,247.80 and 4,935.11 is: 7,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.15 : 13,247.80 = 4,935.11 : x
  2. Step 2: Convert to fraction form
    8,828.15/13,247.80 = 4,935.11/x
  3. Step 3: Cross multiply
    8,828.15x = 13,247.80 × 4,935.11
  4. Step 4: Simplify right side
    8,828.15x = 65,379,271.68
  5. Step 5: Solve for x
    x = 65,379,271.68/8,828.15
  6. Step 6: Final answer
    x = 7,405.78

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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.