Home / 11,852.64-16,356.96-6,817.82

Finding the Fourth Proportional to 11,852.64, 16,356.96 and 6,817.82

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Solution

The fourth proportional to 11,852.64, 16,356.96 and 6,817.82 is: 9,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.64 : 16,356.96 = 6,817.82 : x
  2. Step 2: Convert to fraction form
    11,852.64/16,356.96 = 6,817.82/x
  3. Step 3: Cross multiply
    11,852.64x = 16,356.96 × 6,817.82
  4. Step 4: Simplify right side
    11,852.64x = 111,518,727.24
  5. Step 5: Solve for x
    x = 111,518,727.24/11,852.64
  6. Step 6: Final answer
    x = 9,408.77

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Half scale
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Double scale
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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.