Home / 9,125.10-13,686.84-4,443.30

Finding the Fourth Proportional to 9,125.10, 13,686.84 and 4,443.30

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Solution

The fourth proportional to 9,125.10, 13,686.84 and 4,443.30 is: 6,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.10 : 13,686.84 = 4,443.30 : x
  2. Step 2: Convert to fraction form
    9,125.10/13,686.84 = 4,443.30/x
  3. Step 3: Cross multiply
    9,125.10x = 13,686.84 × 4,443.30
  4. Step 4: Simplify right side
    9,125.10x = 60,814,736.17
  5. Step 5: Solve for x
    x = 60,814,736.17/9,125.10
  6. Step 6: Final answer
    x = 6,664.56

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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.