Home / 11,485.09-17,230.32-3,587.32

Finding the Fourth Proportional to 11,485.09, 17,230.32 and 3,587.32

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Solution

The fourth proportional to 11,485.09, 17,230.32 and 3,587.32 is: 5,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.09 : 17,230.32 = 3,587.32 : x
  2. Step 2: Convert to fraction form
    11,485.09/17,230.32 = 3,587.32/x
  3. Step 3: Cross multiply
    11,485.09x = 17,230.32 × 3,587.32
  4. Step 4: Simplify right side
    11,485.09x = 61,810,671.54
  5. Step 5: Solve for x
    x = 61,810,671.54/11,485.09
  6. Step 6: Final answer
    x = 5,381.82

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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.