Home / 7,011.42-9,671.49-4,176.93

Finding the Fourth Proportional to 7,011.42, 9,671.49 and 4,176.93

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Solution

The fourth proportional to 7,011.42, 9,671.49 and 4,176.93 is: 5,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.42 : 9,671.49 = 4,176.93 : x
  2. Step 2: Convert to fraction form
    7,011.42/9,671.49 = 4,176.93/x
  3. Step 3: Cross multiply
    7,011.42x = 9,671.49 × 4,176.93
  4. Step 4: Simplify right side
    7,011.42x = 40,397,136.73
  5. Step 5: Solve for x
    x = 40,397,136.73/7,011.42
  6. Step 6: Final answer
    x = 5,761.62

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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.