Home / 11,698.27-16,143.63-6,393.17

Finding the Fourth Proportional to 11,698.27, 16,143.63 and 6,393.17

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Solution

The fourth proportional to 11,698.27, 16,143.63 and 6,393.17 is: 8,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.27 : 16,143.63 = 6,393.17 : x
  2. Step 2: Convert to fraction form
    11,698.27/16,143.63 = 6,393.17/x
  3. Step 3: Cross multiply
    11,698.27x = 16,143.63 × 6,393.17
  4. Step 4: Simplify right side
    11,698.27x = 103,208,971.01
  5. Step 5: Solve for x
    x = 103,208,971.01/11,698.27
  6. Step 6: Final answer
    x = 8,822.58

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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.