Home / 8,531.46-11,768.90-5,874.28

Finding the Fourth Proportional to 8,531.46, 11,768.90 and 5,874.28

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Solution

The fourth proportional to 8,531.46, 11,768.90 and 5,874.28 is: 8,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.46 : 11,768.90 = 5,874.28 : x
  2. Step 2: Convert to fraction form
    8,531.46/11,768.90 = 5,874.28/x
  3. Step 3: Cross multiply
    8,531.46x = 11,768.90 × 5,874.28
  4. Step 4: Simplify right side
    8,531.46x = 69,133,813.89
  5. Step 5: Solve for x
    x = 69,133,813.89/8,531.46
  6. Step 6: Final answer
    x = 8,103.40

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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.