Home / 9,148.20-13,717.14-2,907.06

Finding the Fourth Proportional to 9,148.20, 13,717.14 and 2,907.06

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Solution

The fourth proportional to 9,148.20, 13,717.14 and 2,907.06 is: 4,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.20 : 13,717.14 = 2,907.06 : x
  2. Step 2: Convert to fraction form
    9,148.20/13,717.14 = 2,907.06/x
  3. Step 3: Cross multiply
    9,148.20x = 13,717.14 × 2,907.06
  4. Step 4: Simplify right side
    9,148.20x = 39,876,549.01
  5. Step 5: Solve for x
    x = 39,876,549.01/9,148.20
  6. Step 6: Final answer
    x = 4,358.95

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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.