Home / 7,989.49-11,026.18-4,803.30

Finding the Fourth Proportional to 7,989.49, 11,026.18 and 4,803.30

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Solution

The fourth proportional to 7,989.49, 11,026.18 and 4,803.30 is: 6,628.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.49 : 11,026.18 = 4,803.30 : x
  2. Step 2: Convert to fraction form
    7,989.49/11,026.18 = 4,803.30/x
  3. Step 3: Cross multiply
    7,989.49x = 11,026.18 × 4,803.30
  4. Step 4: Simplify right side
    7,989.49x = 52,962,029.38
  5. Step 5: Solve for x
    x = 52,962,029.38/7,989.49
  6. Step 6: Final answer
    x = 6,628.97

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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.