Home / 10,135.88-15,203.74-2,741.08

Finding the Fourth Proportional to 10,135.88, 15,203.74 and 2,741.08

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Solution

The fourth proportional to 10,135.88, 15,203.74 and 2,741.08 is: 4,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.88 : 15,203.74 = 2,741.08 : x
  2. Step 2: Convert to fraction form
    10,135.88/15,203.74 = 2,741.08/x
  3. Step 3: Cross multiply
    10,135.88x = 15,203.74 × 2,741.08
  4. Step 4: Simplify right side
    10,135.88x = 41,674,667.64
  5. Step 5: Solve for x
    x = 41,674,667.64/10,135.88
  6. Step 6: Final answer
    x = 4,111.60

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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.