Home / 9,084.32-12,537.44-5,105.60

Finding the Fourth Proportional to 9,084.32, 12,537.44 and 5,105.60

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Solution

The fourth proportional to 9,084.32, 12,537.44 and 5,105.60 is: 7,046.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,084.32 : 12,537.44 = 5,105.60 : x
  2. Step 2: Convert to fraction form
    9,084.32/12,537.44 = 5,105.60/x
  3. Step 3: Cross multiply
    9,084.32x = 12,537.44 × 5,105.60
  4. Step 4: Simplify right side
    9,084.32x = 64,011,153.66
  5. Step 5: Solve for x
    x = 64,011,153.66/9,084.32
  6. Step 6: Final answer
    x = 7,046.33

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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.