Home / 10,948.45-16,401.75-7,239.73

Finding the Fourth Proportional to 10,948.45, 16,401.75 and 7,239.73

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Solution

The fourth proportional to 10,948.45, 16,401.75 and 7,239.73 is: 10,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.45 : 16,401.75 = 7,239.73 : x
  2. Step 2: Convert to fraction form
    10,948.45/16,401.75 = 7,239.73/x
  3. Step 3: Cross multiply
    10,948.45x = 16,401.75 × 7,239.73
  4. Step 4: Simplify right side
    10,948.45x = 118,744,241.53
  5. Step 5: Solve for x
    x = 118,744,241.53/10,948.45
  6. Step 6: Final answer
    x = 10,845.76

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1.5x scale

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.