Home / 10,090.61-15,136.00-3,516.78

Finding the Fourth Proportional to 10,090.61, 15,136.00 and 3,516.78

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Solution

The fourth proportional to 10,090.61, 15,136.00 and 3,516.78 is: 5,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.61 : 15,136.00 = 3,516.78 : x
  2. Step 2: Convert to fraction form
    10,090.61/15,136.00 = 3,516.78/x
  3. Step 3: Cross multiply
    10,090.61x = 15,136.00 × 3,516.78
  4. Step 4: Simplify right side
    10,090.61x = 53,230,030.05
  5. Step 5: Solve for x
    x = 53,230,030.05/10,090.61
  6. Step 6: Final answer
    x = 5,275.21

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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.