Home / 10,816.86-16,208.82-8,030.46

Finding the Fourth Proportional to 10,816.86, 16,208.82 and 8,030.46

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Solution

The fourth proportional to 10,816.86, 16,208.82 and 8,030.46 is: 12,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.86 : 16,208.82 = 8,030.46 : x
  2. Step 2: Convert to fraction form
    10,816.86/16,208.82 = 8,030.46/x
  3. Step 3: Cross multiply
    10,816.86x = 16,208.82 × 8,030.46
  4. Step 4: Simplify right side
    10,816.86x = 130,164,280.66
  5. Step 5: Solve for x
    x = 130,164,280.66/10,816.86
  6. Step 6: Final answer
    x = 12,033.46

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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.