Home / 9,243.31-13,870.45-3,404.02

Finding the Fourth Proportional to 9,243.31, 13,870.45 and 3,404.02

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Solution

The fourth proportional to 9,243.31, 13,870.45 and 3,404.02 is: 5,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.31 : 13,870.45 = 3,404.02 : x
  2. Step 2: Convert to fraction form
    9,243.31/13,870.45 = 3,404.02/x
  3. Step 3: Cross multiply
    9,243.31x = 13,870.45 × 3,404.02
  4. Step 4: Simplify right side
    9,243.31x = 47,215,219.86
  5. Step 5: Solve for x
    x = 47,215,219.86/9,243.31
  6. Step 6: Final answer
    x = 5,108.05

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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.