Home / 12,101.15-16,698.43-6,794.75

Finding the Fourth Proportional to 12,101.15, 16,698.43 and 6,794.75

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Solution

The fourth proportional to 12,101.15, 16,698.43 and 6,794.75 is: 9,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.15 : 16,698.43 = 6,794.75 : x
  2. Step 2: Convert to fraction form
    12,101.15/16,698.43 = 6,794.75/x
  3. Step 3: Cross multiply
    12,101.15x = 16,698.43 × 6,794.75
  4. Step 4: Simplify right side
    12,101.15x = 113,461,657.24
  5. Step 5: Solve for x
    x = 113,461,657.24/12,101.15
  6. Step 6: Final answer
    x = 9,376.11

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Half scale
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Double scale
Find fourth proportional to 12,102.15, 16,699.81 and 6,795.75
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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.