Home / 10,719.71-16,089.95-5,176.95

Finding the Fourth Proportional to 10,719.71, 16,089.95 and 5,176.95

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Solution

The fourth proportional to 10,719.71, 16,089.95 and 5,176.95 is: 7,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.71 : 16,089.95 = 5,176.95 : x
  2. Step 2: Convert to fraction form
    10,719.71/16,089.95 = 5,176.95/x
  3. Step 3: Cross multiply
    10,719.71x = 16,089.95 × 5,176.95
  4. Step 4: Simplify right side
    10,719.71x = 83,296,866.65
  5. Step 5: Solve for x
    x = 83,296,866.65/10,719.71
  6. Step 6: Final answer
    x = 7,770.44

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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.