Home / 10,243.06-14,136.76-5,767.68

Finding the Fourth Proportional to 10,243.06, 14,136.76 and 5,767.68

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Solution

The fourth proportional to 10,243.06, 14,136.76 and 5,767.68 is: 7,960.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.06 : 14,136.76 = 5,767.68 : x
  2. Step 2: Convert to fraction form
    10,243.06/14,136.76 = 5,767.68/x
  3. Step 3: Cross multiply
    10,243.06x = 14,136.76 × 5,767.68
  4. Step 4: Simplify right side
    10,243.06x = 81,536,329.55
  5. Step 5: Solve for x
    x = 81,536,329.55/10,243.06
  6. Step 6: Final answer
    x = 7,960.16

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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.