Home / 12,339.02-17,028.11-6,750.02

Finding the Fourth Proportional to 12,339.02, 17,028.11 and 6,750.02

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Solution

The fourth proportional to 12,339.02, 17,028.11 and 6,750.02 is: 9,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.02 : 17,028.11 = 6,750.02 : x
  2. Step 2: Convert to fraction form
    12,339.02/17,028.11 = 6,750.02/x
  3. Step 3: Cross multiply
    12,339.02x = 17,028.11 × 6,750.02
  4. Step 4: Simplify right side
    12,339.02x = 114,940,083.06
  5. Step 5: Solve for x
    x = 114,940,083.06/12,339.02
  6. Step 6: Final answer
    x = 9,315.17

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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.