Home / 9,412.21-14,106.92-5,247.80

Finding the Fourth Proportional to 9,412.21, 14,106.92 and 5,247.80

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Solution

The fourth proportional to 9,412.21, 14,106.92 and 5,247.80 is: 7,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.21 : 14,106.92 = 5,247.80 : x
  2. Step 2: Convert to fraction form
    9,412.21/14,106.92 = 5,247.80/x
  3. Step 3: Cross multiply
    9,412.21x = 14,106.92 × 5,247.80
  4. Step 4: Simplify right side
    9,412.21x = 74,030,294.78
  5. Step 5: Solve for x
    x = 74,030,294.78/9,412.21
  6. Step 6: Final answer
    x = 7,865.35

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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.