Home / 9,125.40-13,689.06-2,967.96

Finding the Fourth Proportional to 9,125.40, 13,689.06 and 2,967.96

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Solution

The fourth proportional to 9,125.40, 13,689.06 and 2,967.96 is: 4,452.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.40 : 13,689.06 = 2,967.96 : x
  2. Step 2: Convert to fraction form
    9,125.40/13,689.06 = 2,967.96/x
  3. Step 3: Cross multiply
    9,125.40x = 13,689.06 × 2,967.96
  4. Step 4: Simplify right side
    9,125.40x = 40,628,582.52
  5. Step 5: Solve for x
    x = 40,628,582.52/9,125.40
  6. Step 6: Final answer
    x = 4,452.25

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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.