Home / 11,555.55-17,322.77-4,158.32

Finding the Fourth Proportional to 11,555.55, 17,322.77 and 4,158.32

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Solution

The fourth proportional to 11,555.55, 17,322.77 and 4,158.32 is: 6,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.55 : 17,322.77 = 4,158.32 : x
  2. Step 2: Convert to fraction form
    11,555.55/17,322.77 = 4,158.32/x
  3. Step 3: Cross multiply
    11,555.55x = 17,322.77 × 4,158.32
  4. Step 4: Simplify right side
    11,555.55x = 72,033,544.73
  5. Step 5: Solve for x
    x = 72,033,544.73/11,555.55
  6. Step 6: Final answer
    x = 6,233.68

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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.