Home / 6,113.21-8,436.15-3,461.13

Finding the Fourth Proportional to 6,113.21, 8,436.15 and 3,461.13

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Solution

The fourth proportional to 6,113.21, 8,436.15 and 3,461.13 is: 4,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.21 : 8,436.15 = 3,461.13 : x
  2. Step 2: Convert to fraction form
    6,113.21/8,436.15 = 3,461.13/x
  3. Step 3: Cross multiply
    6,113.21x = 8,436.15 × 3,461.13
  4. Step 4: Simplify right side
    6,113.21x = 29,198,611.85
  5. Step 5: Solve for x
    x = 29,198,611.85/6,113.21
  6. Step 6: Final answer
    x = 4,776.32

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Half scale
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Double scale
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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.