Home / 9,880.07-14,819.30-3,305.40

Finding the Fourth Proportional to 9,880.07, 14,819.30 and 3,305.40

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Solution

The fourth proportional to 9,880.07, 14,819.30 and 3,305.40 is: 4,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.07 : 14,819.30 = 3,305.40 : x
  2. Step 2: Convert to fraction form
    9,880.07/14,819.30 = 3,305.40/x
  3. Step 3: Cross multiply
    9,880.07x = 14,819.30 × 3,305.40
  4. Step 4: Simplify right side
    9,880.07x = 48,983,697.69
  5. Step 5: Solve for x
    x = 48,983,697.69/9,880.07
  6. Step 6: Final answer
    x = 4,957.83

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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.