Home / 9,174.46-12,660.74-4,982.71

Finding the Fourth Proportional to 9,174.46, 12,660.74 and 4,982.71

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Solution

The fourth proportional to 9,174.46, 12,660.74 and 4,982.71 is: 6,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.46 : 12,660.74 = 4,982.71 : x
  2. Step 2: Convert to fraction form
    9,174.46/12,660.74 = 4,982.71/x
  3. Step 3: Cross multiply
    9,174.46x = 12,660.74 × 4,982.71
  4. Step 4: Simplify right side
    9,174.46x = 63,084,795.81
  5. Step 5: Solve for x
    x = 63,084,795.81/9,174.46
  6. Step 6: Final answer
    x = 6,876.13

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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.