Home / 6,929.50-9,562.98-4,136.62

Finding the Fourth Proportional to 6,929.50, 9,562.98 and 4,136.62

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Solution

The fourth proportional to 6,929.50, 9,562.98 and 4,136.62 is: 5,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.50 : 9,562.98 = 4,136.62 : x
  2. Step 2: Convert to fraction form
    6,929.50/9,562.98 = 4,136.62/x
  3. Step 3: Cross multiply
    6,929.50x = 9,562.98 × 4,136.62
  4. Step 4: Simplify right side
    6,929.50x = 39,558,414.33
  5. Step 5: Solve for x
    x = 39,558,414.33/6,929.50
  6. Step 6: Final answer
    x = 5,708.70

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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.