Home / 10,136.40-15,192.72-4,583.28

Finding the Fourth Proportional to 10,136.40, 15,192.72 and 4,583.28

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Solution

The fourth proportional to 10,136.40, 15,192.72 and 4,583.28 is: 6,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.40 : 15,192.72 = 4,583.28 : x
  2. Step 2: Convert to fraction form
    10,136.40/15,192.72 = 4,583.28/x
  3. Step 3: Cross multiply
    10,136.40x = 15,192.72 × 4,583.28
  4. Step 4: Simplify right side
    10,136.40x = 69,632,489.72
  5. Step 5: Solve for x
    x = 69,632,489.72/10,136.40
  6. Step 6: Final answer
    x = 6,869.55

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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.