Home / 11,119.94-16,681.16-3,724.91

Finding the Fourth Proportional to 11,119.94, 16,681.16 and 3,724.91

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Solution

The fourth proportional to 11,119.94, 16,681.16 and 3,724.91 is: 5,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.94 : 16,681.16 = 3,724.91 : x
  2. Step 2: Convert to fraction form
    11,119.94/16,681.16 = 3,724.91/x
  3. Step 3: Cross multiply
    11,119.94x = 16,681.16 × 3,724.91
  4. Step 4: Simplify right side
    11,119.94x = 62,135,870.71
  5. Step 5: Solve for x
    x = 62,135,870.71/11,119.94
  6. Step 6: Final answer
    x = 5,587.79

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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.