Home / 9,719.35-14,578.44-5,718.98

Finding the Fourth Proportional to 9,719.35, 14,578.44 and 5,718.98

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Solution

The fourth proportional to 9,719.35, 14,578.44 and 5,718.98 is: 8,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.35 : 14,578.44 = 5,718.98 : x
  2. Step 2: Convert to fraction form
    9,719.35/14,578.44 = 5,718.98/x
  3. Step 3: Cross multiply
    9,719.35x = 14,578.44 × 5,718.98
  4. Step 4: Simplify right side
    9,719.35x = 83,373,806.79
  5. Step 5: Solve for x
    x = 83,373,806.79/9,719.35
  6. Step 6: Final answer
    x = 8,578.13

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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.