Home / 7,176.76-9,903.79-4,382.26

Finding the Fourth Proportional to 7,176.76, 9,903.79 and 4,382.26

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Solution

The fourth proportional to 7,176.76, 9,903.79 and 4,382.26 is: 6,047.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.76 : 9,903.79 = 4,382.26 : x
  2. Step 2: Convert to fraction form
    7,176.76/9,903.79 = 4,382.26/x
  3. Step 3: Cross multiply
    7,176.76x = 9,903.79 × 4,382.26
  4. Step 4: Simplify right side
    7,176.76x = 43,400,982.77
  5. Step 5: Solve for x
    x = 43,400,982.77/7,176.76
  6. Step 6: Final answer
    x = 6,047.43

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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.