Home / 8,065.63-11,128.62-4,706.53

Finding the Fourth Proportional to 8,065.63, 11,128.62 and 4,706.53

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Solution

The fourth proportional to 8,065.63, 11,128.62 and 4,706.53 is: 6,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.63 : 11,128.62 = 4,706.53 : x
  2. Step 2: Convert to fraction form
    8,065.63/11,128.62 = 4,706.53/x
  3. Step 3: Cross multiply
    8,065.63x = 11,128.62 × 4,706.53
  4. Step 4: Simplify right side
    8,065.63x = 52,377,173.72
  5. Step 5: Solve for x
    x = 52,377,173.72/8,065.63
  6. Step 6: Final answer
    x = 6,493.87

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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.