Home / 10,893.06-16,341.39-4,319.28

Finding the Fourth Proportional to 10,893.06, 16,341.39 and 4,319.28

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Solution

The fourth proportional to 10,893.06, 16,341.39 and 4,319.28 is: 6,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.06 : 16,341.39 = 4,319.28 : x
  2. Step 2: Convert to fraction form
    10,893.06/16,341.39 = 4,319.28/x
  3. Step 3: Cross multiply
    10,893.06x = 16,341.39 × 4,319.28
  4. Step 4: Simplify right side
    10,893.06x = 70,583,039.00
  5. Step 5: Solve for x
    x = 70,583,039.00/10,893.06
  6. Step 6: Final answer
    x = 6,479.63

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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.