Home / 7,476.06-11,203.52-4,145.78

Finding the Fourth Proportional to 7,476.06, 11,203.52 and 4,145.78

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Solution

The fourth proportional to 7,476.06, 11,203.52 and 4,145.78 is: 6,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.06 : 11,203.52 = 4,145.78 : x
  2. Step 2: Convert to fraction form
    7,476.06/11,203.52 = 4,145.78/x
  3. Step 3: Cross multiply
    7,476.06x = 11,203.52 × 4,145.78
  4. Step 4: Simplify right side
    7,476.06x = 46,447,283.49
  5. Step 5: Solve for x
    x = 46,447,283.49/7,476.06
  6. Step 6: Final answer
    x = 6,212.80

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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.