Home / 8,975.72-13,458.46-3,707.72

Finding the Fourth Proportional to 8,975.72, 13,458.46 and 3,707.72

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Solution

The fourth proportional to 8,975.72, 13,458.46 and 3,707.72 is: 5,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.72 : 13,458.46 = 3,707.72 : x
  2. Step 2: Convert to fraction form
    8,975.72/13,458.46 = 3,707.72/x
  3. Step 3: Cross multiply
    8,975.72x = 13,458.46 × 3,707.72
  4. Step 4: Simplify right side
    8,975.72x = 49,900,201.31
  5. Step 5: Solve for x
    x = 49,900,201.31/8,975.72
  6. Step 6: Final answer
    x = 5,559.47

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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.