Home / 10,110.39-15,165.65-3,091.49

Finding the Fourth Proportional to 10,110.39, 15,165.65 and 3,091.49

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Solution

The fourth proportional to 10,110.39, 15,165.65 and 3,091.49 is: 4,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.39 : 15,165.65 = 3,091.49 : x
  2. Step 2: Convert to fraction form
    10,110.39/15,165.65 = 3,091.49/x
  3. Step 3: Cross multiply
    10,110.39x = 15,165.65 × 3,091.49
  4. Step 4: Simplify right side
    10,110.39x = 46,884,364.03
  5. Step 5: Solve for x
    x = 46,884,364.03/10,110.39
  6. Step 6: Final answer
    x = 4,637.25

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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.