Home / 9,153.14-12,631.37-4,961.39

Finding the Fourth Proportional to 9,153.14, 12,631.37 and 4,961.39

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Solution

The fourth proportional to 9,153.14, 12,631.37 and 4,961.39 is: 6,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.14 : 12,631.37 = 4,961.39 : x
  2. Step 2: Convert to fraction form
    9,153.14/12,631.37 = 4,961.39/x
  3. Step 3: Cross multiply
    9,153.14x = 12,631.37 × 4,961.39
  4. Step 4: Simplify right side
    9,153.14x = 62,669,064.84
  5. Step 5: Solve for x
    x = 62,669,064.84/9,153.14
  6. Step 6: Final answer
    x = 6,846.73

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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.