Home / 6,111.36-9,165.76-1,727.64

Finding the Fourth Proportional to 6,111.36, 9,165.76 and 1,727.64

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Solution

The fourth proportional to 6,111.36, 9,165.76 and 1,727.64 is: 2,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.36 : 9,165.76 = 1,727.64 : x
  2. Step 2: Convert to fraction form
    6,111.36/9,165.76 = 1,727.64/x
  3. Step 3: Cross multiply
    6,111.36x = 9,165.76 × 1,727.64
  4. Step 4: Simplify right side
    6,111.36x = 15,835,133.61
  5. Step 5: Solve for x
    x = 15,835,133.61/6,111.36
  6. Step 6: Final answer
    x = 2,591.10

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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.