Home / 11,681.58-17,525.15-3,890.46

Finding the Fourth Proportional to 11,681.58, 17,525.15 and 3,890.46

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Solution

The fourth proportional to 11,681.58, 17,525.15 and 3,890.46 is: 5,836.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.58 : 17,525.15 = 3,890.46 : x
  2. Step 2: Convert to fraction form
    11,681.58/17,525.15 = 3,890.46/x
  3. Step 3: Cross multiply
    11,681.58x = 17,525.15 × 3,890.46
  4. Step 4: Simplify right side
    11,681.58x = 68,180,895.07
  5. Step 5: Solve for x
    x = 68,180,895.07/11,681.58
  6. Step 6: Final answer
    x = 5,836.62

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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.