Home / 10,438.16-15,653.82-3,043.12

Finding the Fourth Proportional to 10,438.16, 15,653.82 and 3,043.12

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Solution

The fourth proportional to 10,438.16, 15,653.82 and 3,043.12 is: 4,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.16 : 15,653.82 = 3,043.12 : x
  2. Step 2: Convert to fraction form
    10,438.16/15,653.82 = 3,043.12/x
  3. Step 3: Cross multiply
    10,438.16x = 15,653.82 × 3,043.12
  4. Step 4: Simplify right side
    10,438.16x = 47,636,452.72
  5. Step 5: Solve for x
    x = 47,636,452.72/10,438.16
  6. Step 6: Final answer
    x = 4,563.68

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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.