Home / 10,277.10-15,406.38-3,698.64

Finding the Fourth Proportional to 10,277.10, 15,406.38 and 3,698.64

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Solution

The fourth proportional to 10,277.10, 15,406.38 and 3,698.64 is: 5,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.10 : 15,406.38 = 3,698.64 : x
  2. Step 2: Convert to fraction form
    10,277.10/15,406.38 = 3,698.64/x
  3. Step 3: Cross multiply
    10,277.10x = 15,406.38 × 3,698.64
  4. Step 4: Simplify right side
    10,277.10x = 56,982,653.32
  5. Step 5: Solve for x
    x = 56,982,653.32/10,277.10
  6. Step 6: Final answer
    x = 5,544.62

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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.