Home / 8,205.35-11,323.13-4,620.50

Finding the Fourth Proportional to 8,205.35, 11,323.13 and 4,620.50

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Solution

The fourth proportional to 8,205.35, 11,323.13 and 4,620.50 is: 6,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.35 : 11,323.13 = 4,620.50 : x
  2. Step 2: Convert to fraction form
    8,205.35/11,323.13 = 4,620.50/x
  3. Step 3: Cross multiply
    8,205.35x = 11,323.13 × 4,620.50
  4. Step 4: Simplify right side
    8,205.35x = 52,318,442.45
  5. Step 5: Solve for x
    x = 52,318,442.45/8,205.35
  6. Step 6: Final answer
    x = 6,376.14

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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.