Home / 10,932.84-16,399.26-3,141.63

Finding the Fourth Proportional to 10,932.84, 16,399.26 and 3,141.63

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Solution

The fourth proportional to 10,932.84, 16,399.26 and 3,141.63 is: 4,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.84 : 16,399.26 = 3,141.63 : x
  2. Step 2: Convert to fraction form
    10,932.84/16,399.26 = 3,141.63/x
  3. Step 3: Cross multiply
    10,932.84x = 16,399.26 × 3,141.63
  4. Step 4: Simplify right side
    10,932.84x = 51,520,407.19
  5. Step 5: Solve for x
    x = 51,520,407.19/10,932.84
  6. Step 6: Final answer
    x = 4,712.45

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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.