Home / 9,790.58-13,511.03-5,314.34

Finding the Fourth Proportional to 9,790.58, 13,511.03 and 5,314.34

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Solution

The fourth proportional to 9,790.58, 13,511.03 and 5,314.34 is: 7,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.58 : 13,511.03 = 5,314.34 : x
  2. Step 2: Convert to fraction form
    9,790.58/13,511.03 = 5,314.34/x
  3. Step 3: Cross multiply
    9,790.58x = 13,511.03 × 5,314.34
  4. Step 4: Simplify right side
    9,790.58x = 71,802,113.04
  5. Step 5: Solve for x
    x = 71,802,113.04/9,790.58
  6. Step 6: Final answer
    x = 7,333.80

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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.