Home / 7,443.99-11,170.36-2,767.28

Finding the Fourth Proportional to 7,443.99, 11,170.36 and 2,767.28

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Solution

The fourth proportional to 7,443.99, 11,170.36 and 2,767.28 is: 4,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.99 : 11,170.36 = 2,767.28 : x
  2. Step 2: Convert to fraction form
    7,443.99/11,170.36 = 2,767.28/x
  3. Step 3: Cross multiply
    7,443.99x = 11,170.36 × 2,767.28
  4. Step 4: Simplify right side
    7,443.99x = 30,911,566.15
  5. Step 5: Solve for x
    x = 30,911,566.15/7,443.99
  6. Step 6: Final answer
    x = 4,152.55

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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.