Home / 7,989.14-11,025.02-4,633.90

Finding the Fourth Proportional to 7,989.14, 11,025.02 and 4,633.90

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Solution

The fourth proportional to 7,989.14, 11,025.02 and 4,633.90 is: 6,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.14 : 11,025.02 = 4,633.90 : x
  2. Step 2: Convert to fraction form
    7,989.14/11,025.02 = 4,633.90/x
  3. Step 3: Cross multiply
    7,989.14x = 11,025.02 × 4,633.90
  4. Step 4: Simplify right side
    7,989.14x = 51,088,840.18
  5. Step 5: Solve for x
    x = 51,088,840.18/7,989.14
  6. Step 6: Final answer
    x = 6,394.79

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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.