Home / 9,191.19-12,683.94-4,999.44

Finding the Fourth Proportional to 9,191.19, 12,683.94 and 4,999.44

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Solution

The fourth proportional to 9,191.19, 12,683.94 and 4,999.44 is: 6,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.19 : 12,683.94 = 4,999.44 : x
  2. Step 2: Convert to fraction form
    9,191.19/12,683.94 = 4,999.44/x
  3. Step 3: Cross multiply
    9,191.19x = 12,683.94 × 4,999.44
  4. Step 4: Simplify right side
    9,191.19x = 63,412,596.99
  5. Step 5: Solve for x
    x = 63,412,596.99/9,191.19
  6. Step 6: Final answer
    x = 6,899.28

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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.