Home / 6,987.22-10,486.10-3,701.05

Finding the Fourth Proportional to 6,987.22, 10,486.10 and 3,701.05

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Solution

The fourth proportional to 6,987.22, 10,486.10 and 3,701.05 is: 5,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.22 : 10,486.10 = 3,701.05 : x
  2. Step 2: Convert to fraction form
    6,987.22/10,486.10 = 3,701.05/x
  3. Step 3: Cross multiply
    6,987.22x = 10,486.10 × 3,701.05
  4. Step 4: Simplify right side
    6,987.22x = 38,809,563.44
  5. Step 5: Solve for x
    x = 38,809,563.44/6,987.22
  6. Step 6: Final answer
    x = 5,554.37

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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.