Home / 6,113.19-8,436.21-3,461.46

Finding the Fourth Proportional to 6,113.19, 8,436.21 and 3,461.46

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Solution

The fourth proportional to 6,113.19, 8,436.21 and 3,461.46 is: 4,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.19 : 8,436.21 = 3,461.46 : x
  2. Step 2: Convert to fraction form
    6,113.19/8,436.21 = 3,461.46/x
  3. Step 3: Cross multiply
    6,113.19x = 8,436.21 × 3,461.46
  4. Step 4: Simplify right side
    6,113.19x = 29,201,603.47
  5. Step 5: Solve for x
    x = 29,201,603.47/6,113.19
  6. Step 6: Final answer
    x = 4,776.82

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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.