Home / 9,968.05-13,761.63-6,615.41

Finding the Fourth Proportional to 9,968.05, 13,761.63 and 6,615.41

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Solution

The fourth proportional to 9,968.05, 13,761.63 and 6,615.41 is: 9,133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.05 : 13,761.63 = 6,615.41 : x
  2. Step 2: Convert to fraction form
    9,968.05/13,761.63 = 6,615.41/x
  3. Step 3: Cross multiply
    9,968.05x = 13,761.63 × 6,615.41
  4. Step 4: Simplify right side
    9,968.05x = 91,038,755.91
  5. Step 5: Solve for x
    x = 91,038,755.91/9,968.05
  6. Step 6: Final answer
    x = 9,133.06

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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.