Home / 10,072.19-13,903.37-8,650.17

Finding the Fourth Proportional to 10,072.19, 13,903.37 and 8,650.17

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Solution

The fourth proportional to 10,072.19, 13,903.37 and 8,650.17 is: 11,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.19 : 13,903.37 = 8,650.17 : x
  2. Step 2: Convert to fraction form
    10,072.19/13,903.37 = 8,650.17/x
  3. Step 3: Cross multiply
    10,072.19x = 13,903.37 × 8,650.17
  4. Step 4: Simplify right side
    10,072.19x = 120,266,514.07
  5. Step 5: Solve for x
    x = 120,266,514.07/10,072.19
  6. Step 6: Final answer
    x = 11,940.45

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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.