Home / 10,986.84-15,144.08-8,592.56

Finding the Fourth Proportional to 10,986.84, 15,144.08 and 8,592.56

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Solution

The fourth proportional to 10,986.84, 15,144.08 and 8,592.56 is: 11,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.84 : 15,144.08 = 8,592.56 : x
  2. Step 2: Convert to fraction form
    10,986.84/15,144.08 = 8,592.56/x
  3. Step 3: Cross multiply
    10,986.84x = 15,144.08 × 8,592.56
  4. Step 4: Simplify right side
    10,986.84x = 130,126,416.04
  5. Step 5: Solve for x
    x = 130,126,416.04/10,986.84
  6. Step 6: Final answer
    x = 11,843.84

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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.