Home / 8,216.85-11,335.18-4,858.05

Finding the Fourth Proportional to 8,216.85, 11,335.18 and 4,858.05

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Solution

The fourth proportional to 8,216.85, 11,335.18 and 4,858.05 is: 6,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.85 : 11,335.18 = 4,858.05 : x
  2. Step 2: Convert to fraction form
    8,216.85/11,335.18 = 4,858.05/x
  3. Step 3: Cross multiply
    8,216.85x = 11,335.18 × 4,858.05
  4. Step 4: Simplify right side
    8,216.85x = 55,066,871.20
  5. Step 5: Solve for x
    x = 55,066,871.20/8,216.85
  6. Step 6: Final answer
    x = 6,701.70

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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.