Home / 10,911.93-16,361.19-4,240.63

Finding the Fourth Proportional to 10,911.93, 16,361.19 and 4,240.63

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Solution

The fourth proportional to 10,911.93, 16,361.19 and 4,240.63 is: 6,358.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.93 : 16,361.19 = 4,240.63 : x
  2. Step 2: Convert to fraction form
    10,911.93/16,361.19 = 4,240.63/x
  3. Step 3: Cross multiply
    10,911.93x = 16,361.19 × 4,240.63
  4. Step 4: Simplify right side
    10,911.93x = 69,381,814.50
  5. Step 5: Solve for x
    x = 69,381,814.50/10,911.93
  6. Step 6: Final answer
    x = 6,358.35

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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.