Home / 7,470.90-11,201.18-3,308.64

Finding the Fourth Proportional to 7,470.90, 11,201.18 and 3,308.64

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Solution

The fourth proportional to 7,470.90, 11,201.18 and 3,308.64 is: 4,960.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.90 : 11,201.18 = 3,308.64 : x
  2. Step 2: Convert to fraction form
    7,470.90/11,201.18 = 3,308.64/x
  3. Step 3: Cross multiply
    7,470.90x = 11,201.18 × 3,308.64
  4. Step 4: Simplify right side
    7,470.90x = 37,060,655.65
  5. Step 5: Solve for x
    x = 37,060,655.65/7,470.90
  6. Step 6: Final answer
    x = 4,960.67

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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.