Home / 6,112.81-9,172.77-2,602.63

Finding the Fourth Proportional to 6,112.81, 9,172.77 and 2,602.63

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Solution

The fourth proportional to 6,112.81, 9,172.77 and 2,602.63 is: 3,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.81 : 9,172.77 = 2,602.63 : x
  2. Step 2: Convert to fraction form
    6,112.81/9,172.77 = 2,602.63/x
  3. Step 3: Cross multiply
    6,112.81x = 9,172.77 × 2,602.63
  4. Step 4: Simplify right side
    6,112.81x = 23,873,326.39
  5. Step 5: Solve for x
    x = 23,873,326.39/6,112.81
  6. Step 6: Final answer
    x = 3,905.46

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1.5x scale

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.