Home / 9,636.92-13,298.73-5,387.85

Finding the Fourth Proportional to 9,636.92, 13,298.73 and 5,387.85

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Solution

The fourth proportional to 9,636.92, 13,298.73 and 5,387.85 is: 7,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,636.92 : 13,298.73 = 5,387.85 : x
  2. Step 2: Convert to fraction form
    9,636.92/13,298.73 = 5,387.85/x
  3. Step 3: Cross multiply
    9,636.92x = 13,298.73 × 5,387.85
  4. Step 4: Simplify right side
    9,636.92x = 71,651,562.43
  5. Step 5: Solve for x
    x = 71,651,562.43/9,636.92
  6. Step 6: Final answer
    x = 7,435.11

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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.