Home / 7,459.96-11,190.76-3,298.18

Finding the Fourth Proportional to 7,459.96, 11,190.76 and 3,298.18

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Solution

The fourth proportional to 7,459.96, 11,190.76 and 3,298.18 is: 4,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.96 : 11,190.76 = 3,298.18 : x
  2. Step 2: Convert to fraction form
    7,459.96/11,190.76 = 3,298.18/x
  3. Step 3: Cross multiply
    7,459.96x = 11,190.76 × 3,298.18
  4. Step 4: Simplify right side
    7,459.96x = 36,909,140.82
  5. Step 5: Solve for x
    x = 36,909,140.82/7,459.96
  6. Step 6: Final answer
    x = 4,947.63

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.