Home / 7,989.50-11,026.33-4,803.84

Finding the Fourth Proportional to 7,989.50, 11,026.33 and 4,803.84

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Solution

The fourth proportional to 7,989.50, 11,026.33 and 4,803.84 is: 6,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.50 : 11,026.33 = 4,803.84 : x
  2. Step 2: Convert to fraction form
    7,989.50/11,026.33 = 4,803.84/x
  3. Step 3: Cross multiply
    7,989.50x = 11,026.33 × 4,803.84
  4. Step 4: Simplify right side
    7,989.50x = 52,968,725.11
  5. Step 5: Solve for x
    x = 52,968,725.11/7,989.50
  6. Step 6: Final answer
    x = 6,629.79

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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.