Home / 8,005.50-11,053.26-6,511.14

Finding the Fourth Proportional to 8,005.50, 11,053.26 and 6,511.14

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Solution

The fourth proportional to 8,005.50, 11,053.26 and 6,511.14 is: 8,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.50 : 11,053.26 = 6,511.14 : x
  2. Step 2: Convert to fraction form
    8,005.50/11,053.26 = 6,511.14/x
  3. Step 3: Cross multiply
    8,005.50x = 11,053.26 × 6,511.14
  4. Step 4: Simplify right side
    8,005.50x = 71,969,323.32
  5. Step 5: Solve for x
    x = 71,969,323.32/8,005.50
  6. Step 6: Final answer
    x = 8,989.98

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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.