Home / 8,189.40-11,295.04-5,536.32

Finding the Fourth Proportional to 8,189.40, 11,295.04 and 5,536.32

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Solution

The fourth proportional to 8,189.40, 11,295.04 and 5,536.32 is: 7,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.40 : 11,295.04 = 5,536.32 : x
  2. Step 2: Convert to fraction form
    8,189.40/11,295.04 = 5,536.32/x
  3. Step 3: Cross multiply
    8,189.40x = 11,295.04 × 5,536.32
  4. Step 4: Simplify right side
    8,189.40x = 62,532,955.85
  5. Step 5: Solve for x
    x = 62,532,955.85/8,189.40
  6. Step 6: Final answer
    x = 7,635.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.