Home / 8,368.96-12,551.52-3,174.16

Finding the Fourth Proportional to 8,368.96, 12,551.52 and 3,174.16

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Solution

The fourth proportional to 8,368.96, 12,551.52 and 3,174.16 is: 4,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.96 : 12,551.52 = 3,174.16 : x
  2. Step 2: Convert to fraction form
    8,368.96/12,551.52 = 3,174.16/x
  3. Step 3: Cross multiply
    8,368.96x = 12,551.52 × 3,174.16
  4. Step 4: Simplify right side
    8,368.96x = 39,840,532.72
  5. Step 5: Solve for x
    x = 39,840,532.72/8,368.96
  6. Step 6: Final answer
    x = 4,760.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.