Home / 10,935.04-16,396.80-4,771.84

Finding the Fourth Proportional to 10,935.04, 16,396.80 and 4,771.84

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Solution

The fourth proportional to 10,935.04, 16,396.80 and 4,771.84 is: 7,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.04 : 16,396.80 = 4,771.84 : x
  2. Step 2: Convert to fraction form
    10,935.04/16,396.80 = 4,771.84/x
  3. Step 3: Cross multiply
    10,935.04x = 16,396.80 × 4,771.84
  4. Step 4: Simplify right side
    10,935.04x = 78,242,906.11
  5. Step 5: Solve for x
    x = 78,242,906.11/10,935.04
  6. Step 6: Final answer
    x = 7,155.25

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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.