Home / 10,519.13-14,516.35-5,739.08

Finding the Fourth Proportional to 10,519.13, 14,516.35 and 5,739.08

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Solution

The fourth proportional to 10,519.13, 14,516.35 and 5,739.08 is: 7,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.13 : 14,516.35 = 5,739.08 : x
  2. Step 2: Convert to fraction form
    10,519.13/14,516.35 = 5,739.08/x
  3. Step 3: Cross multiply
    10,519.13x = 14,516.35 × 5,739.08
  4. Step 4: Simplify right side
    10,519.13x = 83,310,407.03
  5. Step 5: Solve for x
    x = 83,310,407.03/10,519.13
  6. Step 6: Final answer
    x = 7,919.89

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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.