Home / 11,609.04-17,415.72-3,818.16

Finding the Fourth Proportional to 11,609.04, 17,415.72 and 3,818.16

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Solution

The fourth proportional to 11,609.04, 17,415.72 and 3,818.16 is: 5,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.04 : 17,415.72 = 3,818.16 : x
  2. Step 2: Convert to fraction form
    11,609.04/17,415.72 = 3,818.16/x
  3. Step 3: Cross multiply
    11,609.04x = 17,415.72 × 3,818.16
  4. Step 4: Simplify right side
    11,609.04x = 66,496,005.48
  5. Step 5: Solve for x
    x = 66,496,005.48/11,609.04
  6. Step 6: Final answer
    x = 5,727.95

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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.