Home / 11,332.80-16,999.20-7,833.60

Finding the Fourth Proportional to 11,332.80, 16,999.20 and 7,833.60

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Solution

The fourth proportional to 11,332.80, 16,999.20 and 7,833.60 is: 11,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.80 : 16,999.20 = 7,833.60 : x
  2. Step 2: Convert to fraction form
    11,332.80/16,999.20 = 7,833.60/x
  3. Step 3: Cross multiply
    11,332.80x = 16,999.20 × 7,833.60
  4. Step 4: Simplify right side
    11,332.80x = 133,164,933.12
  5. Step 5: Solve for x
    x = 133,164,933.12/11,332.80
  6. Step 6: Final answer
    x = 11,750.40

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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.