Home / 11,330.10-16,975.96-6,938.38

Finding the Fourth Proportional to 11,330.10, 16,975.96 and 6,938.38

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Solution

The fourth proportional to 11,330.10, 16,975.96 and 6,938.38 is: 10,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.10 : 16,975.96 = 6,938.38 : x
  2. Step 2: Convert to fraction form
    11,330.10/16,975.96 = 6,938.38/x
  3. Step 3: Cross multiply
    11,330.10x = 16,975.96 × 6,938.38
  4. Step 4: Simplify right side
    11,330.10x = 117,785,661.34
  5. Step 5: Solve for x
    x = 117,785,661.34/11,330.10
  6. Step 6: Final answer
    x = 10,395.82

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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.