Home / 9,790.55-13,511.24-5,314.58

Finding the Fourth Proportional to 9,790.55, 13,511.24 and 5,314.58

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Solution

The fourth proportional to 9,790.55, 13,511.24 and 5,314.58 is: 7,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.55 : 13,511.24 = 5,314.58 : x
  2. Step 2: Convert to fraction form
    9,790.55/13,511.24 = 5,314.58/x
  3. Step 3: Cross multiply
    9,790.55x = 13,511.24 × 5,314.58
  4. Step 4: Simplify right side
    9,790.55x = 71,806,559.64
  5. Step 5: Solve for x
    x = 71,806,559.64/9,790.55
  6. Step 6: Final answer
    x = 7,334.28

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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.