Home / 7,971.50-11,953.58-2,423.61

Finding the Fourth Proportional to 7,971.50, 11,953.58 and 2,423.61

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Solution

The fourth proportional to 7,971.50, 11,953.58 and 2,423.61 is: 3,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.50 : 11,953.58 = 2,423.61 : x
  2. Step 2: Convert to fraction form
    7,971.50/11,953.58 = 2,423.61/x
  3. Step 3: Cross multiply
    7,971.50x = 11,953.58 × 2,423.61
  4. Step 4: Simplify right side
    7,971.50x = 28,970,803.91
  5. Step 5: Solve for x
    x = 28,970,803.91/7,971.50
  6. Step 6: Final answer
    x = 3,634.30

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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.