Home / 9,370.76-14,045.46-3,129.32

Finding the Fourth Proportional to 9,370.76, 14,045.46 and 3,129.32

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Solution

The fourth proportional to 9,370.76, 14,045.46 and 3,129.32 is: 4,690.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.76 : 14,045.46 = 3,129.32 : x
  2. Step 2: Convert to fraction form
    9,370.76/14,045.46 = 3,129.32/x
  3. Step 3: Cross multiply
    9,370.76x = 14,045.46 × 3,129.32
  4. Step 4: Simplify right side
    9,370.76x = 43,952,738.89
  5. Step 5: Solve for x
    x = 43,952,738.89/9,370.76
  6. Step 6: Final answer
    x = 4,690.41

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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.