Home / 9,693.80-14,531.46-3,115.37

Finding the Fourth Proportional to 9,693.80, 14,531.46 and 3,115.37

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Solution

The fourth proportional to 9,693.80, 14,531.46 and 3,115.37 is: 4,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,693.80 : 14,531.46 = 3,115.37 : x
  2. Step 2: Convert to fraction form
    9,693.80/14,531.46 = 3,115.37/x
  3. Step 3: Cross multiply
    9,693.80x = 14,531.46 × 3,115.37
  4. Step 4: Simplify right side
    9,693.80x = 45,270,801.88
  5. Step 5: Solve for x
    x = 45,270,801.88/9,693.80
  6. Step 6: Final answer
    x = 4,670.08

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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.