Home / 9,805.48-13,533.73-6,448.61

Finding the Fourth Proportional to 9,805.48, 13,533.73 and 6,448.61

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Solution

The fourth proportional to 9,805.48, 13,533.73 and 6,448.61 is: 8,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,805.48 : 13,533.73 = 6,448.61 : x
  2. Step 2: Convert to fraction form
    9,805.48/13,533.73 = 6,448.61/x
  3. Step 3: Cross multiply
    9,805.48x = 13,533.73 × 6,448.61
  4. Step 4: Simplify right side
    9,805.48x = 87,273,764.33
  5. Step 5: Solve for x
    x = 87,273,764.33/9,805.48
  6. Step 6: Final answer
    x = 8,900.51

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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.