Home / 10,164.09-15,235.33-4,895.81

Finding the Fourth Proportional to 10,164.09, 15,235.33 and 4,895.81

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Solution

The fourth proportional to 10,164.09, 15,235.33 and 4,895.81 is: 7,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,164.09 : 15,235.33 = 4,895.81 : x
  2. Step 2: Convert to fraction form
    10,164.09/15,235.33 = 4,895.81/x
  3. Step 3: Cross multiply
    10,164.09x = 15,235.33 × 4,895.81
  4. Step 4: Simplify right side
    10,164.09x = 74,589,280.97
  5. Step 5: Solve for x
    x = 74,589,280.97/10,164.09
  6. Step 6: Final answer
    x = 7,338.51

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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.