Home / 11,175.30-16,775.10-6,254.55

Finding the Fourth Proportional to 11,175.30, 16,775.10 and 6,254.55

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Solution

The fourth proportional to 11,175.30, 16,775.10 and 6,254.55 is: 9,388.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.30 : 16,775.10 = 6,254.55 : x
  2. Step 2: Convert to fraction form
    11,175.30/16,775.10 = 6,254.55/x
  3. Step 3: Cross multiply
    11,175.30x = 16,775.10 × 6,254.55
  4. Step 4: Simplify right side
    11,175.30x = 104,920,701.71
  5. Step 5: Solve for x
    x = 104,920,701.71/11,175.30
  6. Step 6: Final answer
    x = 9,388.63

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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.