Home / 8,665.42-11,958.25-4,686.53

Finding the Fourth Proportional to 8,665.42, 11,958.25 and 4,686.53

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Solution

The fourth proportional to 8,665.42, 11,958.25 and 4,686.53 is: 6,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.42 : 11,958.25 = 4,686.53 : x
  2. Step 2: Convert to fraction form
    8,665.42/11,958.25 = 4,686.53/x
  3. Step 3: Cross multiply
    8,665.42x = 11,958.25 × 4,686.53
  4. Step 4: Simplify right side
    8,665.42x = 56,042,697.37
  5. Step 5: Solve for x
    x = 56,042,697.37/8,665.42
  6. Step 6: Final answer
    x = 6,467.40

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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.