Home / 9,348.78-12,901.26-5,369.91

Finding the Fourth Proportional to 9,348.78, 12,901.26 and 5,369.91

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Solution

The fourth proportional to 9,348.78, 12,901.26 and 5,369.91 is: 7,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,348.78 : 12,901.26 = 5,369.91 : x
  2. Step 2: Convert to fraction form
    9,348.78/12,901.26 = 5,369.91/x
  3. Step 3: Cross multiply
    9,348.78x = 12,901.26 × 5,369.91
  4. Step 4: Simplify right side
    9,348.78x = 69,278,605.09
  5. Step 5: Solve for x
    x = 69,278,605.09/9,348.78
  6. Step 6: Final answer
    x = 7,410.44

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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.