Home / 9,275.10-13,914.72-3,431.58

Finding the Fourth Proportional to 9,275.10, 13,914.72 and 3,431.58

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Solution

The fourth proportional to 9,275.10, 13,914.72 and 3,431.58 is: 5,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.10 : 13,914.72 = 3,431.58 : x
  2. Step 2: Convert to fraction form
    9,275.10/13,914.72 = 3,431.58/x
  3. Step 3: Cross multiply
    9,275.10x = 13,914.72 × 3,431.58
  4. Step 4: Simplify right side
    9,275.10x = 47,749,474.86
  5. Step 5: Solve for x
    x = 47,749,474.86/9,275.10
  6. Step 6: Final answer
    x = 5,148.14

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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.