Home / 10,713.09-16,072.20-4,868.40

Finding the Fourth Proportional to 10,713.09, 16,072.20 and 4,868.40

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Solution

The fourth proportional to 10,713.09, 16,072.20 and 4,868.40 is: 7,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,713.09 : 16,072.20 = 4,868.40 : x
  2. Step 2: Convert to fraction form
    10,713.09/16,072.20 = 4,868.40/x
  3. Step 3: Cross multiply
    10,713.09x = 16,072.20 × 4,868.40
  4. Step 4: Simplify right side
    10,713.09x = 78,245,898.48
  5. Step 5: Solve for x
    x = 78,245,898.48/10,713.09
  6. Step 6: Final answer
    x = 7,303.77

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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.