Home / 7,752.11-11,628.99-5,136.62

Finding the Fourth Proportional to 7,752.11, 11,628.99 and 5,136.62

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Solution

The fourth proportional to 7,752.11, 11,628.99 and 5,136.62 is: 7,705.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.11 : 11,628.99 = 5,136.62 : x
  2. Step 2: Convert to fraction form
    7,752.11/11,628.99 = 5,136.62/x
  3. Step 3: Cross multiply
    7,752.11x = 11,628.99 × 5,136.62
  4. Step 4: Simplify right side
    7,752.11x = 59,733,702.61
  5. Step 5: Solve for x
    x = 59,733,702.61/7,752.11
  6. Step 6: Final answer
    x = 7,705.48

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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.