Home / 9,786.84-13,492.62-6,637.56

Finding the Fourth Proportional to 9,786.84, 13,492.62 and 6,637.56

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Solution

The fourth proportional to 9,786.84, 13,492.62 and 6,637.56 is: 9,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.84 : 13,492.62 = 6,637.56 : x
  2. Step 2: Convert to fraction form
    9,786.84/13,492.62 = 6,637.56/x
  3. Step 3: Cross multiply
    9,786.84x = 13,492.62 × 6,637.56
  4. Step 4: Simplify right side
    9,786.84x = 89,558,074.81
  5. Step 5: Solve for x
    x = 89,558,074.81/9,786.84
  6. Step 6: Final answer
    x = 9,150.87

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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.