Home / 9,790.47-13,511.00-5,314.21

Finding the Fourth Proportional to 9,790.47, 13,511.00 and 5,314.21

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Solution

The fourth proportional to 9,790.47, 13,511.00 and 5,314.21 is: 7,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.47 : 13,511.00 = 5,314.21 : x
  2. Step 2: Convert to fraction form
    9,790.47/13,511.00 = 5,314.21/x
  3. Step 3: Cross multiply
    9,790.47x = 13,511.00 × 5,314.21
  4. Step 4: Simplify right side
    9,790.47x = 71,800,270.82
  5. Step 5: Solve for x
    x = 71,800,270.82/9,790.47
  6. Step 6: Final answer
    x = 7,333.69

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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.