Home / 11,365.50-17,050.58-4,791.70

Finding the Fourth Proportional to 11,365.50, 17,050.58 and 4,791.70

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Solution

The fourth proportional to 11,365.50, 17,050.58 and 4,791.70 is: 7,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.50 : 17,050.58 = 4,791.70 : x
  2. Step 2: Convert to fraction form
    11,365.50/17,050.58 = 4,791.70/x
  3. Step 3: Cross multiply
    11,365.50x = 17,050.58 × 4,791.70
  4. Step 4: Simplify right side
    11,365.50x = 81,701,264.19
  5. Step 5: Solve for x
    x = 81,701,264.19/11,365.50
  6. Step 6: Final answer
    x = 7,188.53

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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.