Home / 7,477.44-11,216.52-3,312.96

Finding the Fourth Proportional to 7,477.44, 11,216.52 and 3,312.96

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Solution

The fourth proportional to 7,477.44, 11,216.52 and 3,312.96 is: 4,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.44 : 11,216.52 = 3,312.96 : x
  2. Step 2: Convert to fraction form
    7,477.44/11,216.52 = 3,312.96/x
  3. Step 3: Cross multiply
    7,477.44x = 11,216.52 × 3,312.96
  4. Step 4: Simplify right side
    7,477.44x = 37,159,882.10
  5. Step 5: Solve for x
    x = 37,159,882.10/7,477.44
  6. Step 6: Final answer
    x = 4,969.60

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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.