Home / 8,216.70-11,338.02-4,679.46

Finding the Fourth Proportional to 8,216.70, 11,338.02 and 4,679.46

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Solution

The fourth proportional to 8,216.70, 11,338.02 and 4,679.46 is: 6,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.70 : 11,338.02 = 4,679.46 : x
  2. Step 2: Convert to fraction form
    8,216.70/11,338.02 = 4,679.46/x
  3. Step 3: Cross multiply
    8,216.70x = 11,338.02 × 4,679.46
  4. Step 4: Simplify right side
    8,216.70x = 53,055,811.07
  5. Step 5: Solve for x
    x = 53,055,811.07/8,216.70
  6. Step 6: Final answer
    x = 6,457.07

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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.