Home / 8,137.08-11,230.37-5,153.19

Finding the Fourth Proportional to 8,137.08, 11,230.37 and 5,153.19

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Solution

The fourth proportional to 8,137.08, 11,230.37 and 5,153.19 is: 7,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.08 : 11,230.37 = 5,153.19 : x
  2. Step 2: Convert to fraction form
    8,137.08/11,230.37 = 5,153.19/x
  3. Step 3: Cross multiply
    8,137.08x = 11,230.37 × 5,153.19
  4. Step 4: Simplify right side
    8,137.08x = 57,872,291.07
  5. Step 5: Solve for x
    x = 57,872,291.07/8,137.08
  6. Step 6: Final answer
    x = 7,112.17

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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.