Home / 9,027.38-12,457.58-4,994.21

Finding the Fourth Proportional to 9,027.38, 12,457.58 and 4,994.21

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Solution

The fourth proportional to 9,027.38, 12,457.58 and 4,994.21 is: 6,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,027.38 : 12,457.58 = 4,994.21 : x
  2. Step 2: Convert to fraction form
    9,027.38/12,457.58 = 4,994.21/x
  3. Step 3: Cross multiply
    9,027.38x = 12,457.58 × 4,994.21
  4. Step 4: Simplify right side
    9,027.38x = 62,215,683.35
  5. Step 5: Solve for x
    x = 62,215,683.35/9,027.38
  6. Step 6: Final answer
    x = 6,891.89

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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.