Home / 8,047.28-11,088.60-6,469.04

Finding the Fourth Proportional to 8,047.28, 11,088.60 and 6,469.04

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Solution

The fourth proportional to 8,047.28, 11,088.60 and 6,469.04 is: 8,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.28 : 11,088.60 = 6,469.04 : x
  2. Step 2: Convert to fraction form
    8,047.28/11,088.60 = 6,469.04/x
  3. Step 3: Cross multiply
    8,047.28x = 11,088.60 × 6,469.04
  4. Step 4: Simplify right side
    8,047.28x = 71,732,596.94
  5. Step 5: Solve for x
    x = 71,732,596.94/8,047.28
  6. Step 6: Final answer
    x = 8,913.89

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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.