Home / 11,860.48-17,790.08-4,069.12

Finding the Fourth Proportional to 11,860.48, 17,790.08 and 4,069.12

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Solution

The fourth proportional to 11,860.48, 17,790.08 and 4,069.12 is: 6,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.48 : 17,790.08 = 4,069.12 : x
  2. Step 2: Convert to fraction form
    11,860.48/17,790.08 = 4,069.12/x
  3. Step 3: Cross multiply
    11,860.48x = 17,790.08 × 4,069.12
  4. Step 4: Simplify right side
    11,860.48x = 72,389,970.33
  5. Step 5: Solve for x
    x = 72,389,970.33/11,860.48
  6. Step 6: Final answer
    x = 6,103.46

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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.