Home / 10,151.56-15,228.28-2,756.04

Finding the Fourth Proportional to 10,151.56, 15,228.28 and 2,756.04

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Solution

The fourth proportional to 10,151.56, 15,228.28 and 2,756.04 is: 4,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.56 : 15,228.28 = 2,756.04 : x
  2. Step 2: Convert to fraction form
    10,151.56/15,228.28 = 2,756.04/x
  3. Step 3: Cross multiply
    10,151.56x = 15,228.28 × 2,756.04
  4. Step 4: Simplify right side
    10,151.56x = 41,969,748.81
  5. Step 5: Solve for x
    x = 41,969,748.81/10,151.56
  6. Step 6: Final answer
    x = 4,134.32

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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.