Home / 11,808.15-16,295.28-6,503.28

Finding the Fourth Proportional to 11,808.15, 16,295.28 and 6,503.28

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Solution

The fourth proportional to 11,808.15, 16,295.28 and 6,503.28 is: 8,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.15 : 16,295.28 = 6,503.28 : x
  2. Step 2: Convert to fraction form
    11,808.15/16,295.28 = 6,503.28/x
  3. Step 3: Cross multiply
    11,808.15x = 16,295.28 × 6,503.28
  4. Step 4: Simplify right side
    11,808.15x = 105,972,768.52
  5. Step 5: Solve for x
    x = 105,972,768.52/11,808.15
  6. Step 6: Final answer
    x = 8,974.54

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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.