Home / 10,834.39-16,236.01-6,381.55

Finding the Fourth Proportional to 10,834.39, 16,236.01 and 6,381.55

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Solution

The fourth proportional to 10,834.39, 16,236.01 and 6,381.55 is: 9,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.39 : 16,236.01 = 6,381.55 : x
  2. Step 2: Convert to fraction form
    10,834.39/16,236.01 = 6,381.55/x
  3. Step 3: Cross multiply
    10,834.39x = 16,236.01 × 6,381.55
  4. Step 4: Simplify right side
    10,834.39x = 103,610,937.89
  5. Step 5: Solve for x
    x = 103,610,937.89/10,834.39
  6. Step 6: Final answer
    x = 9,563.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.