Home / 8,187.23-11,297.86-4,830.19

Finding the Fourth Proportional to 8,187.23, 11,297.86 and 4,830.19

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Solution

The fourth proportional to 8,187.23, 11,297.86 and 4,830.19 is: 6,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.23 : 11,297.86 = 4,830.19 : x
  2. Step 2: Convert to fraction form
    8,187.23/11,297.86 = 4,830.19/x
  3. Step 3: Cross multiply
    8,187.23x = 11,297.86 × 4,830.19
  4. Step 4: Simplify right side
    8,187.23x = 54,570,770.07
  5. Step 5: Solve for x
    x = 54,570,770.07/8,187.23
  6. Step 6: Final answer
    x = 6,665.35

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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.