Home / 7,954.80-10,977.57-4,418.07

Finding the Fourth Proportional to 7,954.80, 10,977.57 and 4,418.07

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Solution

The fourth proportional to 7,954.80, 10,977.57 and 4,418.07 is: 6,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.80 : 10,977.57 = 4,418.07 : x
  2. Step 2: Convert to fraction form
    7,954.80/10,977.57 = 4,418.07/x
  3. Step 3: Cross multiply
    7,954.80x = 10,977.57 × 4,418.07
  4. Step 4: Simplify right side
    7,954.80x = 48,499,672.69
  5. Step 5: Solve for x
    x = 48,499,672.69/7,954.80
  6. Step 6: Final answer
    x = 6,096.91

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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.