Home / 13,010.02-17,949.63-7,968.98

Finding the Fourth Proportional to 13,010.02, 17,949.63 and 7,968.98

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Solution

The fourth proportional to 13,010.02, 17,949.63 and 7,968.98 is: 10,994.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.02 : 17,949.63 = 7,968.98 : x
  2. Step 2: Convert to fraction form
    13,010.02/17,949.63 = 7,968.98/x
  3. Step 3: Cross multiply
    13,010.02x = 17,949.63 × 7,968.98
  4. Step 4: Simplify right side
    13,010.02x = 143,040,317.24
  5. Step 5: Solve for x
    x = 143,040,317.24/13,010.02
  6. Step 6: Final answer
    x = 10,994.63

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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.