Home / 11,907.06-17,860.60-3,587.08

Finding the Fourth Proportional to 11,907.06, 17,860.60 and 3,587.08

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Solution

The fourth proportional to 11,907.06, 17,860.60 and 3,587.08 is: 5,380.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.06 : 17,860.60 = 3,587.08 : x
  2. Step 2: Convert to fraction form
    11,907.06/17,860.60 = 3,587.08/x
  3. Step 3: Cross multiply
    11,907.06x = 17,860.60 × 3,587.08
  4. Step 4: Simplify right side
    11,907.06x = 64,067,411.92
  5. Step 5: Solve for x
    x = 64,067,411.92/11,907.06
  6. Step 6: Final answer
    x = 5,380.62

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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.