Home / 11,363.54-15,681.68-6,648.73

Finding the Fourth Proportional to 11,363.54, 15,681.68 and 6,648.73

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Solution

The fourth proportional to 11,363.54, 15,681.68 and 6,648.73 is: 9,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.54 : 15,681.68 = 6,648.73 : x
  2. Step 2: Convert to fraction form
    11,363.54/15,681.68 = 6,648.73/x
  3. Step 3: Cross multiply
    11,363.54x = 15,681.68 × 6,648.73
  4. Step 4: Simplify right side
    11,363.54x = 104,263,183.82
  5. Step 5: Solve for x
    x = 104,263,183.82/11,363.54
  6. Step 6: Final answer
    x = 9,175.24

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Half scale
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Double scale
Find fourth proportional to 11,364.54, 15,683.05 and 6,649.73
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.