Home / 9,731.15-13,423.89-6,144.81

Finding the Fourth Proportional to 9,731.15, 13,423.89 and 6,144.81

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Solution

The fourth proportional to 9,731.15, 13,423.89 and 6,144.81 is: 8,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.15 : 13,423.89 = 6,144.81 : x
  2. Step 2: Convert to fraction form
    9,731.15/13,423.89 = 6,144.81/x
  3. Step 3: Cross multiply
    9,731.15x = 13,423.89 × 6,144.81
  4. Step 4: Simplify right side
    9,731.15x = 82,487,226.21
  5. Step 5: Solve for x
    x = 82,487,226.21/9,731.15
  6. Step 6: Final answer
    x = 8,476.62

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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.