Home / 10,783.53-16,175.70-6,650.10

Finding the Fourth Proportional to 10,783.53, 16,175.70 and 6,650.10

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Solution

The fourth proportional to 10,783.53, 16,175.70 and 6,650.10 is: 9,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.53 : 16,175.70 = 6,650.10 : x
  2. Step 2: Convert to fraction form
    10,783.53/16,175.70 = 6,650.10/x
  3. Step 3: Cross multiply
    10,783.53x = 16,175.70 × 6,650.10
  4. Step 4: Simplify right side
    10,783.53x = 107,570,022.57
  5. Step 5: Solve for x
    x = 107,570,022.57/10,783.53
  6. Step 6: Final answer
    x = 9,975.40

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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.