Home / 9,790.94-13,511.74-5,314.68

Finding the Fourth Proportional to 9,790.94, 13,511.74 and 5,314.68

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Solution

The fourth proportional to 9,790.94, 13,511.74 and 5,314.68 is: 7,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.94 : 13,511.74 = 5,314.68 : x
  2. Step 2: Convert to fraction form
    9,790.94/13,511.74 = 5,314.68/x
  3. Step 3: Cross multiply
    9,790.94x = 13,511.74 × 5,314.68
  4. Step 4: Simplify right side
    9,790.94x = 71,810,631.66
  5. Step 5: Solve for x
    x = 71,810,631.66/9,790.94
  6. Step 6: Final answer
    x = 7,334.39

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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.