Home / 10,835.15-16,255.83-5,288.54

Finding the Fourth Proportional to 10,835.15, 16,255.83 and 5,288.54

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Solution

The fourth proportional to 10,835.15, 16,255.83 and 5,288.54 is: 7,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,835.15 : 16,255.83 = 5,288.54 : x
  2. Step 2: Convert to fraction form
    10,835.15/16,255.83 = 5,288.54/x
  3. Step 3: Cross multiply
    10,835.15x = 16,255.83 × 5,288.54
  4. Step 4: Simplify right side
    10,835.15x = 85,969,607.19
  5. Step 5: Solve for x
    x = 85,969,607.19/10,835.15
  6. Step 6: Final answer
    x = 7,934.33

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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.