Home / 12,412.32-18,621.45-6,567.63

Finding the Fourth Proportional to 12,412.32, 18,621.45 and 6,567.63

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Solution

The fourth proportional to 12,412.32, 18,621.45 and 6,567.63 is: 9,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412.32 : 18,621.45 = 6,567.63 : x
  2. Step 2: Convert to fraction form
    12,412.32/18,621.45 = 6,567.63/x
  3. Step 3: Cross multiply
    12,412.32x = 18,621.45 × 6,567.63
  4. Step 4: Simplify right side
    12,412.32x = 122,298,793.66
  5. Step 5: Solve for x
    x = 122,298,793.66/12,412.32
  6. Step 6: Final answer
    x = 9,853.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.