Home / 8,023.72-11,072.70-4,487.32

Finding the Fourth Proportional to 8,023.72, 11,072.70 and 4,487.32

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Solution

The fourth proportional to 8,023.72, 11,072.70 and 4,487.32 is: 6,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,023.72 : 11,072.70 = 4,487.32 : x
  2. Step 2: Convert to fraction form
    8,023.72/11,072.70 = 4,487.32/x
  3. Step 3: Cross multiply
    8,023.72x = 11,072.70 × 4,487.32
  4. Step 4: Simplify right side
    8,023.72x = 49,686,748.16
  5. Step 5: Solve for x
    x = 49,686,748.16/8,023.72
  6. Step 6: Final answer
    x = 6,192.48

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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.