Home / 10,994.18-16,458.44-6,821.10

Finding the Fourth Proportional to 10,994.18, 16,458.44 and 6,821.10

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Solution

The fourth proportional to 10,994.18, 16,458.44 and 6,821.10 is: 10,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.18 : 16,458.44 = 6,821.10 : x
  2. Step 2: Convert to fraction form
    10,994.18/16,458.44 = 6,821.10/x
  3. Step 3: Cross multiply
    10,994.18x = 16,458.44 × 6,821.10
  4. Step 4: Simplify right side
    10,994.18x = 112,264,630.98
  5. Step 5: Solve for x
    x = 112,264,630.98/10,994.18
  6. Step 6: Final answer
    x = 10,211.28

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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.