Home / 8,443.44-11,643.35-5,085.59

Finding the Fourth Proportional to 8,443.44, 11,643.35 and 5,085.59

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Solution

The fourth proportional to 8,443.44, 11,643.35 and 5,085.59 is: 7,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.44 : 11,643.35 = 5,085.59 : x
  2. Step 2: Convert to fraction form
    8,443.44/11,643.35 = 5,085.59/x
  3. Step 3: Cross multiply
    8,443.44x = 11,643.35 × 5,085.59
  4. Step 4: Simplify right side
    8,443.44x = 59,213,220.68
  5. Step 5: Solve for x
    x = 59,213,220.68/8,443.44
  6. Step 6: Final answer
    x = 7,012.93

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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.