Home / 9,356.08-12,911.13-5,107.27

Finding the Fourth Proportional to 9,356.08, 12,911.13 and 5,107.27

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Solution

The fourth proportional to 9,356.08, 12,911.13 and 5,107.27 is: 7,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356.08 : 12,911.13 = 5,107.27 : x
  2. Step 2: Convert to fraction form
    9,356.08/12,911.13 = 5,107.27/x
  3. Step 3: Cross multiply
    9,356.08x = 12,911.13 × 5,107.27
  4. Step 4: Simplify right side
    9,356.08x = 65,940,626.92
  5. Step 5: Solve for x
    x = 65,940,626.92/9,356.08
  6. Step 6: Final answer
    x = 7,047.89

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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.