Home / 7,430.32-11,148.68-3,730.64

Finding the Fourth Proportional to 7,430.32, 11,148.68 and 3,730.64

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Solution

The fourth proportional to 7,430.32, 11,148.68 and 3,730.64 is: 5,597.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.32 : 11,148.68 = 3,730.64 : x
  2. Step 2: Convert to fraction form
    7,430.32/11,148.68 = 3,730.64/x
  3. Step 3: Cross multiply
    7,430.32x = 11,148.68 × 3,730.64
  4. Step 4: Simplify right side
    7,430.32x = 41,591,711.56
  5. Step 5: Solve for x
    x = 41,591,711.56/7,430.32
  6. Step 6: Final answer
    x = 5,597.57

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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.