Home / 9,509.23-14,269.97-5,129.74

Finding the Fourth Proportional to 9,509.23, 14,269.97 and 5,129.74

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Solution

The fourth proportional to 9,509.23, 14,269.97 and 5,129.74 is: 7,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,509.23 : 14,269.97 = 5,129.74 : x
  2. Step 2: Convert to fraction form
    9,509.23/14,269.97 = 5,129.74/x
  3. Step 3: Cross multiply
    9,509.23x = 14,269.97 × 5,129.74
  4. Step 4: Simplify right side
    9,509.23x = 73,201,235.91
  5. Step 5: Solve for x
    x = 73,201,235.91/9,509.23
  6. Step 6: Final answer
    x = 7,697.91

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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.