Home / 10,913.14-16,369.74-3,518.14

Finding the Fourth Proportional to 10,913.14, 16,369.74 and 3,518.14

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Solution

The fourth proportional to 10,913.14, 16,369.74 and 3,518.14 is: 5,277.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.14 : 16,369.74 = 3,518.14 : x
  2. Step 2: Convert to fraction form
    10,913.14/16,369.74 = 3,518.14/x
  3. Step 3: Cross multiply
    10,913.14x = 16,369.74 × 3,518.14
  4. Step 4: Simplify right side
    10,913.14x = 57,591,037.08
  5. Step 5: Solve for x
    x = 57,591,037.08/10,913.14
  6. Step 6: Final answer
    x = 5,277.22

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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.