Home / 8,618.10-11,894.26-5,262.86

Finding the Fourth Proportional to 8,618.10, 11,894.26 and 5,262.86

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Solution

The fourth proportional to 8,618.10, 11,894.26 and 5,262.86 is: 7,263.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.10 : 11,894.26 = 5,262.86 : x
  2. Step 2: Convert to fraction form
    8,618.10/11,894.26 = 5,262.86/x
  3. Step 3: Cross multiply
    8,618.10x = 11,894.26 × 5,262.86
  4. Step 4: Simplify right side
    8,618.10x = 62,597,752.56
  5. Step 5: Solve for x
    x = 62,597,752.56/8,618.10
  6. Step 6: Final answer
    x = 7,263.52

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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.