Home / 10,994.57-16,492.62-4,420.76

Finding the Fourth Proportional to 10,994.57, 16,492.62 and 4,420.76

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Solution

The fourth proportional to 10,994.57, 16,492.62 and 4,420.76 is: 6,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.57 : 16,492.62 = 4,420.76 : x
  2. Step 2: Convert to fraction form
    10,994.57/16,492.62 = 4,420.76/x
  3. Step 3: Cross multiply
    10,994.57x = 16,492.62 × 4,420.76
  4. Step 4: Simplify right side
    10,994.57x = 72,909,914.79
  5. Step 5: Solve for x
    x = 72,909,914.79/10,994.57
  6. Step 6: Final answer
    x = 6,631.45

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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.