Home / 7,804.24-11,688.78-5,474.62

Finding the Fourth Proportional to 7,804.24, 11,688.78 and 5,474.62

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Solution

The fourth proportional to 7,804.24, 11,688.78 and 5,474.62 is: 8,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.24 : 11,688.78 = 5,474.62 : x
  2. Step 2: Convert to fraction form
    7,804.24/11,688.78 = 5,474.62/x
  3. Step 3: Cross multiply
    7,804.24x = 11,688.78 × 5,474.62
  4. Step 4: Simplify right side
    7,804.24x = 63,991,628.76
  5. Step 5: Solve for x
    x = 63,991,628.76/7,804.24
  6. Step 6: Final answer
    x = 8,199.60

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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.