Home / 7,963.90-11,946.45-2,417.68

Finding the Fourth Proportional to 7,963.90, 11,946.45 and 2,417.68

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Solution

The fourth proportional to 7,963.90, 11,946.45 and 2,417.68 is: 3,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.90 : 11,946.45 = 2,417.68 : x
  2. Step 2: Convert to fraction form
    7,963.90/11,946.45 = 2,417.68/x
  3. Step 3: Cross multiply
    7,963.90x = 11,946.45 × 2,417.68
  4. Step 4: Simplify right side
    7,963.90x = 28,882,693.24
  5. Step 5: Solve for x
    x = 28,882,693.24/7,963.90
  6. Step 6: Final answer
    x = 3,626.70

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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.