Home / 11,082.76-15,276.26-9,643.44

Finding the Fourth Proportional to 11,082.76, 15,276.26 and 9,643.44

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Solution

The fourth proportional to 11,082.76, 15,276.26 and 9,643.44 is: 13,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.76 : 15,276.26 = 9,643.44 : x
  2. Step 2: Convert to fraction form
    11,082.76/15,276.26 = 9,643.44/x
  3. Step 3: Cross multiply
    11,082.76x = 15,276.26 × 9,643.44
  4. Step 4: Simplify right side
    11,082.76x = 147,315,696.73
  5. Step 5: Solve for x
    x = 147,315,696.73/11,082.76
  6. Step 6: Final answer
    x = 13,292.33

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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.