Home / 10,486.14-15,725.43-3,559.02

Finding the Fourth Proportional to 10,486.14, 15,725.43 and 3,559.02

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Solution

The fourth proportional to 10,486.14, 15,725.43 and 3,559.02 is: 5,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.14 : 15,725.43 = 3,559.02 : x
  2. Step 2: Convert to fraction form
    10,486.14/15,725.43 = 3,559.02/x
  3. Step 3: Cross multiply
    10,486.14x = 15,725.43 × 3,559.02
  4. Step 4: Simplify right side
    10,486.14x = 55,967,119.88
  5. Step 5: Solve for x
    x = 55,967,119.88/10,486.14
  6. Step 6: Final answer
    x = 5,337.25

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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.