Home / 10,434.19-14,399.19-5,718.48

Finding the Fourth Proportional to 10,434.19, 14,399.19 and 5,718.48

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Solution

The fourth proportional to 10,434.19, 14,399.19 and 5,718.48 is: 7,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.19 : 14,399.19 = 5,718.48 : x
  2. Step 2: Convert to fraction form
    10,434.19/14,399.19 = 5,718.48/x
  3. Step 3: Cross multiply
    10,434.19x = 14,399.19 × 5,718.48
  4. Step 4: Simplify right side
    10,434.19x = 82,341,480.03
  5. Step 5: Solve for x
    x = 82,341,480.03/10,434.19
  6. Step 6: Final answer
    x = 7,891.51

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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.