Home / 7,989.44-11,024.51-4,631.55

Finding the Fourth Proportional to 7,989.44, 11,024.51 and 4,631.55

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Solution

The fourth proportional to 7,989.44, 11,024.51 and 4,631.55 is: 6,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.44 : 11,024.51 = 4,631.55 : x
  2. Step 2: Convert to fraction form
    7,989.44/11,024.51 = 4,631.55/x
  3. Step 3: Cross multiply
    7,989.44x = 11,024.51 × 4,631.55
  4. Step 4: Simplify right side
    7,989.44x = 51,060,504.79
  5. Step 5: Solve for x
    x = 51,060,504.79/7,989.44
  6. Step 6: Final answer
    x = 6,391.00

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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.