Home / 8,266.89-11,408.28-4,490.04

Finding the Fourth Proportional to 8,266.89, 11,408.28 and 4,490.04

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Solution

The fourth proportional to 8,266.89, 11,408.28 and 4,490.04 is: 6,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.89 : 11,408.28 = 4,490.04 : x
  2. Step 2: Convert to fraction form
    8,266.89/11,408.28 = 4,490.04/x
  3. Step 3: Cross multiply
    8,266.89x = 11,408.28 × 4,490.04
  4. Step 4: Simplify right side
    8,266.89x = 51,223,633.53
  5. Step 5: Solve for x
    x = 51,223,633.53/8,266.89
  6. Step 6: Final answer
    x = 6,196.24

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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.