Home / 11,130.75-16,681.55-6,202.71

Finding the Fourth Proportional to 11,130.75, 16,681.55 and 6,202.71

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Solution

The fourth proportional to 11,130.75, 16,681.55 and 6,202.71 is: 9,295.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.75 : 16,681.55 = 6,202.71 : x
  2. Step 2: Convert to fraction form
    11,130.75/16,681.55 = 6,202.71/x
  3. Step 3: Cross multiply
    11,130.75x = 16,681.55 × 6,202.71
  4. Step 4: Simplify right side
    11,130.75x = 103,470,785.99
  5. Step 5: Solve for x
    x = 103,470,785.99/11,130.75
  6. Step 6: Final answer
    x = 9,295.94

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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.