Home / 11,320.33-16,984.55-5,775.07

Finding the Fourth Proportional to 11,320.33, 16,984.55 and 5,775.07

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Solution

The fourth proportional to 11,320.33, 16,984.55 and 5,775.07 is: 8,664.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.33 : 16,984.55 = 5,775.07 : x
  2. Step 2: Convert to fraction form
    11,320.33/16,984.55 = 5,775.07/x
  3. Step 3: Cross multiply
    11,320.33x = 16,984.55 × 5,775.07
  4. Step 4: Simplify right side
    11,320.33x = 98,086,965.17
  5. Step 5: Solve for x
    x = 98,086,965.17/11,320.33
  6. Step 6: Final answer
    x = 8,664.67

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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.