Home / 11,881.89-16,397.57-6,846.86

Finding the Fourth Proportional to 11,881.89, 16,397.57 and 6,846.86

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Solution

The fourth proportional to 11,881.89, 16,397.57 and 6,846.86 is: 9,449.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.89 : 16,397.57 = 6,846.86 : x
  2. Step 2: Convert to fraction form
    11,881.89/16,397.57 = 6,846.86/x
  3. Step 3: Cross multiply
    11,881.89x = 16,397.57 × 6,846.86
  4. Step 4: Simplify right side
    11,881.89x = 112,271,924.24
  5. Step 5: Solve for x
    x = 112,271,924.24/11,881.89
  6. Step 6: Final answer
    x = 9,449.00

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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.