Home / 10,218.80-14,101.34-5,743.02

Finding the Fourth Proportional to 10,218.80, 14,101.34 and 5,743.02

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Solution

The fourth proportional to 10,218.80, 14,101.34 and 5,743.02 is: 7,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.80 : 14,101.34 = 5,743.02 : x
  2. Step 2: Convert to fraction form
    10,218.80/14,101.34 = 5,743.02/x
  3. Step 3: Cross multiply
    10,218.80x = 14,101.34 × 5,743.02
  4. Step 4: Simplify right side
    10,218.80x = 80,984,277.65
  5. Step 5: Solve for x
    x = 80,984,277.65/10,218.80
  6. Step 6: Final answer
    x = 7,925.03

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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.