Home / 7,907.49-10,912.25-4,322.36

Finding the Fourth Proportional to 7,907.49, 10,912.25 and 4,322.36

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Solution

The fourth proportional to 7,907.49, 10,912.25 and 4,322.36 is: 5,964.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.49 : 10,912.25 = 4,322.36 : x
  2. Step 2: Convert to fraction form
    7,907.49/10,912.25 = 4,322.36/x
  3. Step 3: Cross multiply
    7,907.49x = 10,912.25 × 4,322.36
  4. Step 4: Simplify right side
    7,907.49x = 47,166,711.00
  5. Step 5: Solve for x
    x = 47,166,711.00/7,907.49
  6. Step 6: Final answer
    x = 5,964.81

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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.