Home / 7,438.08-11,162.88-4,362.24

Finding the Fourth Proportional to 7,438.08, 11,162.88 and 4,362.24

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Solution

The fourth proportional to 7,438.08, 11,162.88 and 4,362.24 is: 6,546.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.08 : 11,162.88 = 4,362.24 : x
  2. Step 2: Convert to fraction form
    7,438.08/11,162.88 = 4,362.24/x
  3. Step 3: Cross multiply
    7,438.08x = 11,162.88 × 4,362.24
  4. Step 4: Simplify right side
    7,438.08x = 48,695,161.65
  5. Step 5: Solve for x
    x = 48,695,161.65/7,438.08
  6. Step 6: Final answer
    x = 6,546.74

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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.