Home / 11,240.11-16,837.58-5,600.78

Finding the Fourth Proportional to 11,240.11, 16,837.58 and 5,600.78

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Solution

The fourth proportional to 11,240.11, 16,837.58 and 5,600.78 is: 8,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.11 : 16,837.58 = 5,600.78 : x
  2. Step 2: Convert to fraction form
    11,240.11/16,837.58 = 5,600.78/x
  3. Step 3: Cross multiply
    11,240.11x = 16,837.58 × 5,600.78
  4. Step 4: Simplify right side
    11,240.11x = 94,303,581.31
  5. Step 5: Solve for x
    x = 94,303,581.31/11,240.11
  6. Step 6: Final answer
    x = 8,389.92

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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.