Home / 8,009.13-12,013.61-3,623.55

Finding the Fourth Proportional to 8,009.13, 12,013.61 and 3,623.55

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Solution

The fourth proportional to 8,009.13, 12,013.61 and 3,623.55 is: 5,435.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.13 : 12,013.61 = 3,623.55 : x
  2. Step 2: Convert to fraction form
    8,009.13/12,013.61 = 3,623.55/x
  3. Step 3: Cross multiply
    8,009.13x = 12,013.61 × 3,623.55
  4. Step 4: Simplify right side
    8,009.13x = 43,531,898.40
  5. Step 5: Solve for x
    x = 43,531,898.40/8,009.13
  6. Step 6: Final answer
    x = 5,435.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.