Home / 9,690.42-14,533.70-2,668.62

Finding the Fourth Proportional to 9,690.42, 14,533.70 and 2,668.62

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Solution

The fourth proportional to 9,690.42, 14,533.70 and 2,668.62 is: 4,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.42 : 14,533.70 = 2,668.62 : x
  2. Step 2: Convert to fraction form
    9,690.42/14,533.70 = 2,668.62/x
  3. Step 3: Cross multiply
    9,690.42x = 14,533.70 × 2,668.62
  4. Step 4: Simplify right side
    9,690.42x = 38,784,922.49
  5. Step 5: Solve for x
    x = 38,784,922.49/9,690.42
  6. Step 6: Final answer
    x = 4,002.40

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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.