Home / 11,313.12-15,600.32-6,836

Finding the Fourth Proportional to 11,313.12, 15,600.32 and 6,836

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Solution

The fourth proportional to 11,313.12, 15,600.32 and 6,836 is: 9,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.12 : 15,600.32 = 6,836 : x
  2. Step 2: Convert to fraction form
    11,313.12/15,600.32 = 6,836/x
  3. Step 3: Cross multiply
    11,313.12x = 15,600.32 × 6,836
  4. Step 4: Simplify right side
    11,313.12x = 106,643,787.52
  5. Step 5: Solve for x
    x = 106,643,787.52/11,313.12
  6. Step 6: Final answer
    x = 9,426.56

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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.