Home / 8,974.90-12,385.41-4,996.00

Finding the Fourth Proportional to 8,974.90, 12,385.41 and 4,996.00

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Solution

The fourth proportional to 8,974.90, 12,385.41 and 4,996.00 is: 6,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.90 : 12,385.41 = 4,996.00 : x
  2. Step 2: Convert to fraction form
    8,974.90/12,385.41 = 4,996.00/x
  3. Step 3: Cross multiply
    8,974.90x = 12,385.41 × 4,996.00
  4. Step 4: Simplify right side
    8,974.90x = 61,877,539.94
  5. Step 5: Solve for x
    x = 61,877,539.94/8,974.90
  6. Step 6: Final answer
    x = 6,894.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.