Home / 11,175.90-16,727.40-8,697.30

Finding the Fourth Proportional to 11,175.90, 16,727.40 and 8,697.30

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Solution

The fourth proportional to 11,175.90, 16,727.40 and 8,697.30 is: 13,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.90 : 16,727.40 = 8,697.30 : x
  2. Step 2: Convert to fraction form
    11,175.90/16,727.40 = 8,697.30/x
  3. Step 3: Cross multiply
    11,175.90x = 16,727.40 × 8,697.30
  4. Step 4: Simplify right side
    11,175.90x = 145,483,216.02
  5. Step 5: Solve for x
    x = 145,483,216.02/11,175.90
  6. Step 6: Final answer
    x = 13,017.58

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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.