Home / 9,511.20-14,266.80-3,355.20

Finding the Fourth Proportional to 9,511.20, 14,266.80 and 3,355.20

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Solution

The fourth proportional to 9,511.20, 14,266.80 and 3,355.20 is: 5,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.20 : 14,266.80 = 3,355.20 : x
  2. Step 2: Convert to fraction form
    9,511.20/14,266.80 = 3,355.20/x
  3. Step 3: Cross multiply
    9,511.20x = 14,266.80 × 3,355.20
  4. Step 4: Simplify right side
    9,511.20x = 47,867,967.36
  5. Step 5: Solve for x
    x = 47,867,967.36/9,511.20
  6. Step 6: Final answer
    x = 5,032.80

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1.5x scale

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.