Home / 11,148.40-16,722.60-10,975.60

Finding the Fourth Proportional to 11,148.40, 16,722.60 and 10,975.60

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Solution

The fourth proportional to 11,148.40, 16,722.60 and 10,975.60 is: 16,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.40 : 16,722.60 = 10,975.60 : x
  2. Step 2: Convert to fraction form
    11,148.40/16,722.60 = 10,975.60/x
  3. Step 3: Cross multiply
    11,148.40x = 16,722.60 × 10,975.60
  4. Step 4: Simplify right side
    11,148.40x = 183,540,568.56
  5. Step 5: Solve for x
    x = 183,540,568.56/11,148.40
  6. Step 6: Final answer
    x = 16,463.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.