Home / 10,396.68-15,592.59-5,126.28

Finding the Fourth Proportional to 10,396.68, 15,592.59 and 5,126.28

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Solution

The fourth proportional to 10,396.68, 15,592.59 and 5,126.28 is: 7,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.68 : 15,592.59 = 5,126.28 : x
  2. Step 2: Convert to fraction form
    10,396.68/15,592.59 = 5,126.28/x
  3. Step 3: Cross multiply
    10,396.68x = 15,592.59 × 5,126.28
  4. Step 4: Simplify right side
    10,396.68x = 79,931,982.27
  5. Step 5: Solve for x
    x = 79,931,982.27/10,396.68
  6. Step 6: Final answer
    x = 7,688.22

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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.