Home / 7,490.09-11,235.14-3,106.37

Finding the Fourth Proportional to 7,490.09, 11,235.14 and 3,106.37

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Solution

The fourth proportional to 7,490.09, 11,235.14 and 3,106.37 is: 4,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.09 : 11,235.14 = 3,106.37 : x
  2. Step 2: Convert to fraction form
    7,490.09/11,235.14 = 3,106.37/x
  3. Step 3: Cross multiply
    7,490.09x = 11,235.14 × 3,106.37
  4. Step 4: Simplify right side
    7,490.09x = 34,900,501.84
  5. Step 5: Solve for x
    x = 34,900,501.84/7,490.09
  6. Step 6: Final answer
    x = 4,659.56

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Similar ratio
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1.5x scale

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.