Home / 11,698.42-16,143.46-6,393.23

Finding the Fourth Proportional to 11,698.42, 16,143.46 and 6,393.23

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Solution

The fourth proportional to 11,698.42, 16,143.46 and 6,393.23 is: 8,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.42 : 16,143.46 = 6,393.23 : x
  2. Step 2: Convert to fraction form
    11,698.42/16,143.46 = 6,393.23/x
  3. Step 3: Cross multiply
    11,698.42x = 16,143.46 × 6,393.23
  4. Step 4: Simplify right side
    11,698.42x = 103,208,852.78
  5. Step 5: Solve for x
    x = 103,208,852.78/11,698.42
  6. Step 6: Final answer
    x = 8,822.46

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Half scale
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Double scale
Find fourth proportional to 11,699.42, 16,144.84 and 6,394.23
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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.