Home / 10,225.56-15,338.68-2,829.40

Finding the Fourth Proportional to 10,225.56, 15,338.68 and 2,829.40

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Solution

The fourth proportional to 10,225.56, 15,338.68 and 2,829.40 is: 4,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.56 : 15,338.68 = 2,829.40 : x
  2. Step 2: Convert to fraction form
    10,225.56/15,338.68 = 2,829.40/x
  3. Step 3: Cross multiply
    10,225.56x = 15,338.68 × 2,829.40
  4. Step 4: Simplify right side
    10,225.56x = 43,399,268.27
  5. Step 5: Solve for x
    x = 43,399,268.27/10,225.56
  6. Step 6: Final answer
    x = 4,244.19

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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.