Home / 8,321.19-11,483.05-4,544.21

Finding the Fourth Proportional to 8,321.19, 11,483.05 and 4,544.21

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Solution

The fourth proportional to 8,321.19, 11,483.05 and 4,544.21 is: 6,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.19 : 11,483.05 = 4,544.21 : x
  2. Step 2: Convert to fraction form
    8,321.19/11,483.05 = 4,544.21/x
  3. Step 3: Cross multiply
    8,321.19x = 11,483.05 × 4,544.21
  4. Step 4: Simplify right side
    8,321.19x = 52,181,390.64
  5. Step 5: Solve for x
    x = 52,181,390.64/8,321.19
  6. Step 6: Final answer
    x = 6,270.90

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Half scale
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Double scale
Find fourth proportional to 8,322.19, 11,484.43 and 4,545.21
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.