Home / 8,091.23-11,165.85-4,554.45

Finding the Fourth Proportional to 8,091.23, 11,165.85 and 4,554.45

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Solution

The fourth proportional to 8,091.23, 11,165.85 and 4,554.45 is: 6,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.23 : 11,165.85 = 4,554.45 : x
  2. Step 2: Convert to fraction form
    8,091.23/11,165.85 = 4,554.45/x
  3. Step 3: Cross multiply
    8,091.23x = 11,165.85 × 4,554.45
  4. Step 4: Simplify right side
    8,091.23x = 50,854,305.53
  5. Step 5: Solve for x
    x = 50,854,305.53/8,091.23
  6. Step 6: Final answer
    x = 6,285.12

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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.