Home / 10,744.12-14,828.12-10,399.66

Finding the Fourth Proportional to 10,744.12, 14,828.12 and 10,399.66

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Solution

The fourth proportional to 10,744.12, 14,828.12 and 10,399.66 is: 14,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,744.12 : 14,828.12 = 10,399.66 : x
  2. Step 2: Convert to fraction form
    10,744.12/14,828.12 = 10,399.66/x
  3. Step 3: Cross multiply
    10,744.12x = 14,828.12 × 10,399.66
  4. Step 4: Simplify right side
    10,744.12x = 154,207,406.44
  5. Step 5: Solve for x
    x = 154,207,406.44/10,744.12
  6. Step 6: Final answer
    x = 14,352.73

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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.