Home / 8,623.92-11,896.56-5,476.80

Finding the Fourth Proportional to 8,623.92, 11,896.56 and 5,476.80

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Solution

The fourth proportional to 8,623.92, 11,896.56 and 5,476.80 is: 7,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.92 : 11,896.56 = 5,476.80 : x
  2. Step 2: Convert to fraction form
    8,623.92/11,896.56 = 5,476.80/x
  3. Step 3: Cross multiply
    8,623.92x = 11,896.56 × 5,476.80
  4. Step 4: Simplify right side
    8,623.92x = 65,155,079.81
  5. Step 5: Solve for x
    x = 65,155,079.81/8,623.92
  6. Step 6: Final answer
    x = 7,555.16

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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.