Home / 8,661.27-11,949.72-5,300.58

Finding the Fourth Proportional to 8,661.27, 11,949.72 and 5,300.58

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Solution

The fourth proportional to 8,661.27, 11,949.72 and 5,300.58 is: 7,313.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661.27 : 11,949.72 = 5,300.58 : x
  2. Step 2: Convert to fraction form
    8,661.27/11,949.72 = 5,300.58/x
  3. Step 3: Cross multiply
    8,661.27x = 11,949.72 × 5,300.58
  4. Step 4: Simplify right side
    8,661.27x = 63,340,446.84
  5. Step 5: Solve for x
    x = 63,340,446.84/8,661.27
  6. Step 6: Final answer
    x = 7,313.07

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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.