Home / 12,483.15-17,226.48-6,817.68

Finding the Fourth Proportional to 12,483.15, 17,226.48 and 6,817.68

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Solution

The fourth proportional to 12,483.15, 17,226.48 and 6,817.68 is: 9,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.15 : 17,226.48 = 6,817.68 : x
  2. Step 2: Convert to fraction form
    12,483.15/17,226.48 = 6,817.68/x
  3. Step 3: Cross multiply
    12,483.15x = 17,226.48 × 6,817.68
  4. Step 4: Simplify right side
    12,483.15x = 117,444,628.17
  5. Step 5: Solve for x
    x = 117,444,628.17/12,483.15
  6. Step 6: Final answer
    x = 9,408.25

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Half scale
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Double scale
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Similar ratio
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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.