Home / 7,370.88-10,173.96-5,889.12

Finding the Fourth Proportional to 7,370.88, 10,173.96 and 5,889.12

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Solution

The fourth proportional to 7,370.88, 10,173.96 and 5,889.12 is: 8,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.88 : 10,173.96 = 5,889.12 : x
  2. Step 2: Convert to fraction form
    7,370.88/10,173.96 = 5,889.12/x
  3. Step 3: Cross multiply
    7,370.88x = 10,173.96 × 5,889.12
  4. Step 4: Simplify right side
    7,370.88x = 59,915,671.32
  5. Step 5: Solve for x
    x = 59,915,671.32/7,370.88
  6. Step 6: Final answer
    x = 8,128.70

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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.