Home / 10,806.44-14,907.58-7,222.25

Finding the Fourth Proportional to 10,806.44, 14,907.58 and 7,222.25

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Solution

The fourth proportional to 10,806.44, 14,907.58 and 7,222.25 is: 9,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.44 : 14,907.58 = 7,222.25 : x
  2. Step 2: Convert to fraction form
    10,806.44/14,907.58 = 7,222.25/x
  3. Step 3: Cross multiply
    10,806.44x = 14,907.58 × 7,222.25
  4. Step 4: Simplify right side
    10,806.44x = 107,666,288.87
  5. Step 5: Solve for x
    x = 107,666,288.87/10,806.44
  6. Step 6: Final answer
    x = 9,963.16

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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.