Home / 11,055.64-16,578.60-4,480.08

Finding the Fourth Proportional to 11,055.64, 16,578.60 and 4,480.08

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Solution

The fourth proportional to 11,055.64, 16,578.60 and 4,480.08 is: 6,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.64 : 16,578.60 = 4,480.08 : x
  2. Step 2: Convert to fraction form
    11,055.64/16,578.60 = 4,480.08/x
  3. Step 3: Cross multiply
    11,055.64x = 16,578.60 × 4,480.08
  4. Step 4: Simplify right side
    11,055.64x = 74,273,454.29
  5. Step 5: Solve for x
    x = 74,273,454.29/11,055.64
  6. Step 6: Final answer
    x = 6,718.15

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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.