Home / 12,241.81-18,362.29-3,476.70

Finding the Fourth Proportional to 12,241.81, 18,362.29 and 3,476.70

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Solution

The fourth proportional to 12,241.81, 18,362.29 and 3,476.70 is: 5,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.81 : 18,362.29 = 3,476.70 : x
  2. Step 2: Convert to fraction form
    12,241.81/18,362.29 = 3,476.70/x
  3. Step 3: Cross multiply
    12,241.81x = 18,362.29 × 3,476.70
  4. Step 4: Simplify right side
    12,241.81x = 63,840,173.64
  5. Step 5: Solve for x
    x = 63,840,173.64/12,241.81
  6. Step 6: Final answer
    x = 5,214.93

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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.