Home / 7,929.42-11,893.65-2,998.98

Finding the Fourth Proportional to 7,929.42, 11,893.65 and 2,998.98

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Solution

The fourth proportional to 7,929.42, 11,893.65 and 2,998.98 is: 4,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.42 : 11,893.65 = 2,998.98 : x
  2. Step 2: Convert to fraction form
    7,929.42/11,893.65 = 2,998.98/x
  3. Step 3: Cross multiply
    7,929.42x = 11,893.65 × 2,998.98
  4. Step 4: Simplify right side
    7,929.42x = 35,668,818.48
  5. Step 5: Solve for x
    x = 35,668,818.48/7,929.42
  6. Step 6: Final answer
    x = 4,498.29

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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.