Home / 7,008.02-9,670.94-3,821.36

Finding the Fourth Proportional to 7,008.02, 9,670.94 and 3,821.36

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Solution

The fourth proportional to 7,008.02, 9,670.94 and 3,821.36 is: 5,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.02 : 9,670.94 = 3,821.36 : x
  2. Step 2: Convert to fraction form
    7,008.02/9,670.94 = 3,821.36/x
  3. Step 3: Cross multiply
    7,008.02x = 9,670.94 × 3,821.36
  4. Step 4: Simplify right side
    7,008.02x = 36,956,143.28
  5. Step 5: Solve for x
    x = 36,956,143.28/7,008.02
  6. Step 6: Final answer
    x = 5,273.41

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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.