Home / 11,403.52-17,105.27-8,303.25

Finding the Fourth Proportional to 11,403.52, 17,105.27 and 8,303.25

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Solution

The fourth proportional to 11,403.52, 17,105.27 and 8,303.25 is: 12,454.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.52 : 17,105.27 = 8,303.25 : x
  2. Step 2: Convert to fraction form
    11,403.52/17,105.27 = 8,303.25/x
  3. Step 3: Cross multiply
    11,403.52x = 17,105.27 × 8,303.25
  4. Step 4: Simplify right side
    11,403.52x = 142,029,333.13
  5. Step 5: Solve for x
    x = 142,029,333.13/11,403.52
  6. Step 6: Final answer
    x = 12,454.87

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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.