Home / 8,364.88-11,543.52-5,007.84

Finding the Fourth Proportional to 8,364.88, 11,543.52 and 5,007.84

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Solution

The fourth proportional to 8,364.88, 11,543.52 and 5,007.84 is: 6,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.88 : 11,543.52 = 5,007.84 : x
  2. Step 2: Convert to fraction form
    8,364.88/11,543.52 = 5,007.84/x
  3. Step 3: Cross multiply
    8,364.88x = 11,543.52 × 5,007.84
  4. Step 4: Simplify right side
    8,364.88x = 57,808,101.20
  5. Step 5: Solve for x
    x = 57,808,101.20/8,364.88
  6. Step 6: Final answer
    x = 6,910.81

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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.