Home / 11,055.37-16,570.81-4,479.61

Finding the Fourth Proportional to 11,055.37, 16,570.81 and 4,479.61

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Solution

The fourth proportional to 11,055.37, 16,570.81 and 4,479.61 is: 6,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.37 : 16,570.81 = 4,479.61 : x
  2. Step 2: Convert to fraction form
    11,055.37/16,570.81 = 4,479.61/x
  3. Step 3: Cross multiply
    11,055.37x = 16,570.81 × 4,479.61
  4. Step 4: Simplify right side
    11,055.37x = 74,230,766.18
  5. Step 5: Solve for x
    x = 74,230,766.18/11,055.37
  6. Step 6: Final answer
    x = 6,714.45

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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.