Home / 7,974.90-11,962.45-3,044.80

Finding the Fourth Proportional to 7,974.90, 11,962.45 and 3,044.80

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Solution

The fourth proportional to 7,974.90, 11,962.45 and 3,044.80 is: 4,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.90 : 11,962.45 = 3,044.80 : x
  2. Step 2: Convert to fraction form
    7,974.90/11,962.45 = 3,044.80/x
  3. Step 3: Cross multiply
    7,974.90x = 11,962.45 × 3,044.80
  4. Step 4: Simplify right side
    7,974.90x = 36,423,267.76
  5. Step 5: Solve for x
    x = 36,423,267.76/7,974.90
  6. Step 6: Final answer
    x = 4,567.24

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1.5x scale

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.