Home / 10,945.45-16,393.54-7,673.16

Finding the Fourth Proportional to 10,945.45, 16,393.54 and 7,673.16

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Solution

The fourth proportional to 10,945.45, 16,393.54 and 7,673.16 is: 11,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.45 : 16,393.54 = 7,673.16 : x
  2. Step 2: Convert to fraction form
    10,945.45/16,393.54 = 7,673.16/x
  3. Step 3: Cross multiply
    10,945.45x = 16,393.54 × 7,673.16
  4. Step 4: Simplify right side
    10,945.45x = 125,790,255.39
  5. Step 5: Solve for x
    x = 125,790,255.39/10,945.45
  6. Step 6: Final answer
    x = 11,492.47

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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.