Home / 10,629.84-15,944.60-4,782.32

Finding the Fourth Proportional to 10,629.84, 15,944.60 and 4,782.32

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Solution

The fourth proportional to 10,629.84, 15,944.60 and 4,782.32 is: 7,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.84 : 15,944.60 = 4,782.32 : x
  2. Step 2: Convert to fraction form
    10,629.84/15,944.60 = 4,782.32/x
  3. Step 3: Cross multiply
    10,629.84x = 15,944.60 × 4,782.32
  4. Step 4: Simplify right side
    10,629.84x = 76,252,179.47
  5. Step 5: Solve for x
    x = 76,252,179.47/10,629.84
  6. Step 6: Final answer
    x = 7,173.41

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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.