Home / 11,188.20-16,814.70-9,762.60

Finding the Fourth Proportional to 11,188.20, 16,814.70 and 9,762.60

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Solution

The fourth proportional to 11,188.20, 16,814.70 and 9,762.60 is: 14,672.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.20 : 16,814.70 = 9,762.60 : x
  2. Step 2: Convert to fraction form
    11,188.20/16,814.70 = 9,762.60/x
  3. Step 3: Cross multiply
    11,188.20x = 16,814.70 × 9,762.60
  4. Step 4: Simplify right side
    11,188.20x = 164,155,190.22
  5. Step 5: Solve for x
    x = 164,155,190.22/11,188.20
  6. Step 6: Final answer
    x = 14,672.17

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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.