Home / 9,708.98-13,388.42-6,875.60

Finding the Fourth Proportional to 9,708.98, 13,388.42 and 6,875.60

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Solution

The fourth proportional to 9,708.98, 13,388.42 and 6,875.60 is: 9,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.98 : 13,388.42 = 6,875.60 : x
  2. Step 2: Convert to fraction form
    9,708.98/13,388.42 = 6,875.60/x
  3. Step 3: Cross multiply
    9,708.98x = 13,388.42 × 6,875.60
  4. Step 4: Simplify right side
    9,708.98x = 92,053,370.80
  5. Step 5: Solve for x
    x = 92,053,370.80/9,708.98
  6. Step 6: Final answer
    x = 9,481.27

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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.