Home / 12,019.96-16,586.35-6,714.66

Finding the Fourth Proportional to 12,019.96, 16,586.35 and 6,714.66

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Solution

The fourth proportional to 12,019.96, 16,586.35 and 6,714.66 is: 9,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.96 : 16,586.35 = 6,714.66 : x
  2. Step 2: Convert to fraction form
    12,019.96/16,586.35 = 6,714.66/x
  3. Step 3: Cross multiply
    12,019.96x = 16,586.35 × 6,714.66
  4. Step 4: Simplify right side
    12,019.96x = 111,371,700.89
  5. Step 5: Solve for x
    x = 111,371,700.89/12,019.96
  6. Step 6: Final answer
    x = 9,265.56

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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.