Home / 7,698.81-10,624.37-4,162.05

Finding the Fourth Proportional to 7,698.81, 10,624.37 and 4,162.05

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Solution

The fourth proportional to 7,698.81, 10,624.37 and 4,162.05 is: 5,743.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.81 : 10,624.37 = 4,162.05 : x
  2. Step 2: Convert to fraction form
    7,698.81/10,624.37 = 4,162.05/x
  3. Step 3: Cross multiply
    7,698.81x = 10,624.37 × 4,162.05
  4. Step 4: Simplify right side
    7,698.81x = 44,219,138.35
  5. Step 5: Solve for x
    x = 44,219,138.35/7,698.81
  6. Step 6: Final answer
    x = 5,743.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.