Home / 7,136.12-10,707.26-2,756.66

Finding the Fourth Proportional to 7,136.12, 10,707.26 and 2,756.66

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Solution

The fourth proportional to 7,136.12, 10,707.26 and 2,756.66 is: 4,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.12 : 10,707.26 = 2,756.66 : x
  2. Step 2: Convert to fraction form
    7,136.12/10,707.26 = 2,756.66/x
  3. Step 3: Cross multiply
    7,136.12x = 10,707.26 × 2,756.66
  4. Step 4: Simplify right side
    7,136.12x = 29,516,275.35
  5. Step 5: Solve for x
    x = 29,516,275.35/7,136.12
  6. Step 6: Final answer
    x = 4,136.18

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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.