Home / 7,056.09-9,736.86-3,868.86

Finding the Fourth Proportional to 7,056.09, 9,736.86 and 3,868.86

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Solution

The fourth proportional to 7,056.09, 9,736.86 and 3,868.86 is: 5,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.09 : 9,736.86 = 3,868.86 : x
  2. Step 2: Convert to fraction form
    7,056.09/9,736.86 = 3,868.86/x
  3. Step 3: Cross multiply
    7,056.09x = 9,736.86 × 3,868.86
  4. Step 4: Simplify right side
    7,056.09x = 37,670,548.18
  5. Step 5: Solve for x
    x = 37,670,548.18/7,056.09
  6. Step 6: Final answer
    x = 5,338.73

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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.