Home / 9,790.80-13,511.16-5,598.24

Finding the Fourth Proportional to 9,790.80, 13,511.16 and 5,598.24

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Solution

The fourth proportional to 9,790.80, 13,511.16 and 5,598.24 is: 7,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.80 : 13,511.16 = 5,598.24 : x
  2. Step 2: Convert to fraction form
    9,790.80/13,511.16 = 5,598.24/x
  3. Step 3: Cross multiply
    9,790.80x = 13,511.16 × 5,598.24
  4. Step 4: Simplify right side
    9,790.80x = 75,638,716.36
  5. Step 5: Solve for x
    x = 75,638,716.36/9,790.80
  6. Step 6: Final answer
    x = 7,725.49

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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.