Home / 9,821.94-13,538.54-6,634.24

Finding the Fourth Proportional to 9,821.94, 13,538.54 and 6,634.24

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Solution

The fourth proportional to 9,821.94, 13,538.54 and 6,634.24 is: 9,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.94 : 13,538.54 = 6,634.24 : x
  2. Step 2: Convert to fraction form
    9,821.94/13,538.54 = 6,634.24/x
  3. Step 3: Cross multiply
    9,821.94x = 13,538.54 × 6,634.24
  4. Step 4: Simplify right side
    9,821.94x = 89,817,923.61
  5. Step 5: Solve for x
    x = 89,817,923.61/9,821.94
  6. Step 6: Final answer
    x = 9,144.62

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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.