Home / 9,063.36-12,511.20-6,412.80

Finding the Fourth Proportional to 9,063.36, 12,511.20 and 6,412.80

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Solution

The fourth proportional to 9,063.36, 12,511.20 and 6,412.80 is: 8,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,063.36 : 12,511.20 = 6,412.80 : x
  2. Step 2: Convert to fraction form
    9,063.36/12,511.20 = 6,412.80/x
  3. Step 3: Cross multiply
    9,063.36x = 12,511.20 × 6,412.80
  4. Step 4: Simplify right side
    9,063.36x = 80,231,823.36
  5. Step 5: Solve for x
    x = 80,231,823.36/9,063.36
  6. Step 6: Final answer
    x = 8,852.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.