Home / 9,085.13-13,599.60-7,756.73

Finding the Fourth Proportional to 9,085.13, 13,599.60 and 7,756.73

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Solution

The fourth proportional to 9,085.13, 13,599.60 and 7,756.73 is: 11,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.13 : 13,599.60 = 7,756.73 : x
  2. Step 2: Convert to fraction form
    9,085.13/13,599.60 = 7,756.73/x
  3. Step 3: Cross multiply
    9,085.13x = 13,599.60 × 7,756.73
  4. Step 4: Simplify right side
    9,085.13x = 105,488,425.31
  5. Step 5: Solve for x
    x = 105,488,425.31/9,085.13
  6. Step 6: Final answer
    x = 11,611.11

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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.