Home / 9,520.20-14,274.30-3,977.40

Finding the Fourth Proportional to 9,520.20, 14,274.30 and 3,977.40

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Solution

The fourth proportional to 9,520.20, 14,274.30 and 3,977.40 is: 5,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.20 : 14,274.30 = 3,977.40 : x
  2. Step 2: Convert to fraction form
    9,520.20/14,274.30 = 3,977.40/x
  3. Step 3: Cross multiply
    9,520.20x = 14,274.30 × 3,977.40
  4. Step 4: Simplify right side
    9,520.20x = 56,774,600.82
  5. Step 5: Solve for x
    x = 56,774,600.82/9,520.20
  6. Step 6: Final answer
    x = 5,963.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.