Home / 8,215.06-11,334.78-4,856.50

Finding the Fourth Proportional to 8,215.06, 11,334.78 and 4,856.50

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Solution

The fourth proportional to 8,215.06, 11,334.78 and 4,856.50 is: 6,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.06 : 11,334.78 = 4,856.50 : x
  2. Step 2: Convert to fraction form
    8,215.06/11,334.78 = 4,856.50/x
  3. Step 3: Cross multiply
    8,215.06x = 11,334.78 × 4,856.50
  4. Step 4: Simplify right side
    8,215.06x = 55,047,359.07
  5. Step 5: Solve for x
    x = 55,047,359.07/8,215.06
  6. Step 6: Final answer
    x = 6,700.79

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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.