Home / 10,045.42-15,066.97-2,650.47

Finding the Fourth Proportional to 10,045.42, 15,066.97 and 2,650.47

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Solution

The fourth proportional to 10,045.42, 15,066.97 and 2,650.47 is: 3,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.42 : 15,066.97 = 2,650.47 : x
  2. Step 2: Convert to fraction form
    10,045.42/15,066.97 = 2,650.47/x
  3. Step 3: Cross multiply
    10,045.42x = 15,066.97 × 2,650.47
  4. Step 4: Simplify right side
    10,045.42x = 39,934,551.98
  5. Step 5: Solve for x
    x = 39,934,551.98/10,045.42
  6. Step 6: Final answer
    x = 3,975.40

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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.