Home / 11,317.90-15,617.97-6,282.12

Finding the Fourth Proportional to 11,317.90, 15,617.97 and 6,282.12

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Solution

The fourth proportional to 11,317.90, 15,617.97 and 6,282.12 is: 8,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.90 : 15,617.97 = 6,282.12 : x
  2. Step 2: Convert to fraction form
    11,317.90/15,617.97 = 6,282.12/x
  3. Step 3: Cross multiply
    11,317.90x = 15,617.97 × 6,282.12
  4. Step 4: Simplify right side
    11,317.90x = 98,113,961.70
  5. Step 5: Solve for x
    x = 98,113,961.70/11,317.90
  6. Step 6: Final answer
    x = 8,668.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.