Home / 11,971.48-16,516.15-6,933.86

Finding the Fourth Proportional to 11,971.48, 16,516.15 and 6,933.86

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Solution

The fourth proportional to 11,971.48, 16,516.15 and 6,933.86 is: 9,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.48 : 16,516.15 = 6,933.86 : x
  2. Step 2: Convert to fraction form
    11,971.48/16,516.15 = 6,933.86/x
  3. Step 3: Cross multiply
    11,971.48x = 16,516.15 × 6,933.86
  4. Step 4: Simplify right side
    11,971.48x = 114,520,637.17
  5. Step 5: Solve for x
    x = 114,520,637.17/11,971.48
  6. Step 6: Final answer
    x = 9,566.13

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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.