Home / 9,867.84-13,619.16-6,334.80

Finding the Fourth Proportional to 9,867.84, 13,619.16 and 6,334.80

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Solution

The fourth proportional to 9,867.84, 13,619.16 and 6,334.80 is: 8,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.84 : 13,619.16 = 6,334.80 : x
  2. Step 2: Convert to fraction form
    9,867.84/13,619.16 = 6,334.80/x
  3. Step 3: Cross multiply
    9,867.84x = 13,619.16 × 6,334.80
  4. Step 4: Simplify right side
    9,867.84x = 86,274,654.77
  5. Step 5: Solve for x
    x = 86,274,654.77/9,867.84
  6. Step 6: Final answer
    x = 8,743.01

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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.