Home / 9,968.02-13,755.96-5,491.92

Finding the Fourth Proportional to 9,968.02, 13,755.96 and 5,491.92

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Solution

The fourth proportional to 9,968.02, 13,755.96 and 5,491.92 is: 7,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.02 : 13,755.96 = 5,491.92 : x
  2. Step 2: Convert to fraction form
    9,968.02/13,755.96 = 5,491.92/x
  3. Step 3: Cross multiply
    9,968.02x = 13,755.96 × 5,491.92
  4. Step 4: Simplify right side
    9,968.02x = 75,546,631.84
  5. Step 5: Solve for x
    x = 75,546,631.84/9,968.02
  6. Step 6: Final answer
    x = 7,578.90

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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.