Home / 8,218.12-11,340.78-4,682.46

Finding the Fourth Proportional to 8,218.12, 11,340.78 and 4,682.46

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Solution

The fourth proportional to 8,218.12, 11,340.78 and 4,682.46 is: 6,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.12 : 11,340.78 = 4,682.46 : x
  2. Step 2: Convert to fraction form
    8,218.12/11,340.78 = 4,682.46/x
  3. Step 3: Cross multiply
    8,218.12x = 11,340.78 × 4,682.46
  4. Step 4: Simplify right side
    8,218.12x = 53,102,748.72
  5. Step 5: Solve for x
    x = 53,102,748.72/8,218.12
  6. Step 6: Final answer
    x = 6,461.67

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,219.12, 11,342.16 and 4,683.46
Similar ratio
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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.