Home / 9,425.20-13,007.14-5,176.62

Finding the Fourth Proportional to 9,425.20, 13,007.14 and 5,176.62

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Solution

The fourth proportional to 9,425.20, 13,007.14 and 5,176.62 is: 7,143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,425.20 : 13,007.14 = 5,176.62 : x
  2. Step 2: Convert to fraction form
    9,425.20/13,007.14 = 5,176.62/x
  3. Step 3: Cross multiply
    9,425.20x = 13,007.14 × 5,176.62
  4. Step 4: Simplify right side
    9,425.20x = 67,333,021.07
  5. Step 5: Solve for x
    x = 67,333,021.07/9,425.20
  6. Step 6: Final answer
    x = 7,143.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.