Home / 9,905.70-14,858.67-3,585.05

Finding the Fourth Proportional to 9,905.70, 14,858.67 and 3,585.05

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Solution

The fourth proportional to 9,905.70, 14,858.67 and 3,585.05 is: 5,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.70 : 14,858.67 = 3,585.05 : x
  2. Step 2: Convert to fraction form
    9,905.70/14,858.67 = 3,585.05/x
  3. Step 3: Cross multiply
    9,905.70x = 14,858.67 × 3,585.05
  4. Step 4: Simplify right side
    9,905.70x = 53,269,074.88
  5. Step 5: Solve for x
    x = 53,269,074.88/9,905.70
  6. Step 6: Final answer
    x = 5,377.62

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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.