Home / 8,840.25-12,205.53-5,484.42

Finding the Fourth Proportional to 8,840.25, 12,205.53 and 5,484.42

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Solution

The fourth proportional to 8,840.25, 12,205.53 and 5,484.42 is: 7,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.25 : 12,205.53 = 5,484.42 : x
  2. Step 2: Convert to fraction form
    8,840.25/12,205.53 = 5,484.42/x
  3. Step 3: Cross multiply
    8,840.25x = 12,205.53 × 5,484.42
  4. Step 4: Simplify right side
    8,840.25x = 66,940,252.84
  5. Step 5: Solve for x
    x = 66,940,252.84/8,840.25
  6. Step 6: Final answer
    x = 7,572.21

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Half scale
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Double scale
Find fourth proportional to 8,841.25, 12,206.91 and 5,485.42
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.