Home / 7,321.62-10,108.50-4,808.18

Finding the Fourth Proportional to 7,321.62, 10,108.50 and 4,808.18

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Solution

The fourth proportional to 7,321.62, 10,108.50 and 4,808.18 is: 6,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.62 : 10,108.50 = 4,808.18 : x
  2. Step 2: Convert to fraction form
    7,321.62/10,108.50 = 4,808.18/x
  3. Step 3: Cross multiply
    7,321.62x = 10,108.50 × 4,808.18
  4. Step 4: Simplify right side
    7,321.62x = 48,603,487.53
  5. Step 5: Solve for x
    x = 48,603,487.53/7,321.62
  6. Step 6: Final answer
    x = 6,638.35

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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.