Home / 8,267.22-11,408.79-4,490.40

Finding the Fourth Proportional to 8,267.22, 11,408.79 and 4,490.40

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Solution

The fourth proportional to 8,267.22, 11,408.79 and 4,490.40 is: 6,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.22 : 11,408.79 = 4,490.40 : x
  2. Step 2: Convert to fraction form
    8,267.22/11,408.79 = 4,490.40/x
  3. Step 3: Cross multiply
    8,267.22x = 11,408.79 × 4,490.40
  4. Step 4: Simplify right side
    8,267.22x = 51,230,030.62
  5. Step 5: Solve for x
    x = 51,230,030.62/8,267.22
  6. Step 6: Final answer
    x = 6,196.77

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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.