Home / 11,845.40-16,363.46-9,471.13

Finding the Fourth Proportional to 11,845.40, 16,363.46 and 9,471.13

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Solution

The fourth proportional to 11,845.40, 16,363.46 and 9,471.13 is: 13,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.40 : 16,363.46 = 9,471.13 : x
  2. Step 2: Convert to fraction form
    11,845.40/16,363.46 = 9,471.13/x
  3. Step 3: Cross multiply
    11,845.40x = 16,363.46 × 9,471.13
  4. Step 4: Simplify right side
    11,845.40x = 154,980,439.68
  5. Step 5: Solve for x
    x = 154,980,439.68/11,845.40
  6. Step 6: Final answer
    x = 13,083.60

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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.