Home / 9,620.52-14,428.68-3,695.40

Finding the Fourth Proportional to 9,620.52, 14,428.68 and 3,695.40

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Solution

The fourth proportional to 9,620.52, 14,428.68 and 3,695.40 is: 5,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.52 : 14,428.68 = 3,695.40 : x
  2. Step 2: Convert to fraction form
    9,620.52/14,428.68 = 3,695.40/x
  3. Step 3: Cross multiply
    9,620.52x = 14,428.68 × 3,695.40
  4. Step 4: Simplify right side
    9,620.52x = 53,319,744.07
  5. Step 5: Solve for x
    x = 53,319,744.07/9,620.52
  6. Step 6: Final answer
    x = 5,542.29

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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.