Home / 11,967.31-17,958.45-4,572.40

Finding the Fourth Proportional to 11,967.31, 17,958.45 and 4,572.40

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Solution

The fourth proportional to 11,967.31, 17,958.45 and 4,572.40 is: 6,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.31 : 17,958.45 = 4,572.40 : x
  2. Step 2: Convert to fraction form
    11,967.31/17,958.45 = 4,572.40/x
  3. Step 3: Cross multiply
    11,967.31x = 17,958.45 × 4,572.40
  4. Step 4: Simplify right side
    11,967.31x = 82,113,216.78
  5. Step 5: Solve for x
    x = 82,113,216.78/11,967.31
  6. Step 6: Final answer
    x = 6,861.46

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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.