Home / 10,208.20-14,083.86-6,484.36

Finding the Fourth Proportional to 10,208.20, 14,083.86 and 6,484.36

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Solution

The fourth proportional to 10,208.20, 14,083.86 and 6,484.36 is: 8,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.20 : 14,083.86 = 6,484.36 : x
  2. Step 2: Convert to fraction form
    10,208.20/14,083.86 = 6,484.36/x
  3. Step 3: Cross multiply
    10,208.20x = 14,083.86 × 6,484.36
  4. Step 4: Simplify right side
    10,208.20x = 91,324,818.43
  5. Step 5: Solve for x
    x = 91,324,818.43/10,208.20
  6. Step 6: Final answer
    x = 8,946.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.