Home / 7,974.28-11,957.52-4,814.98

Finding the Fourth Proportional to 7,974.28, 11,957.52 and 4,814.98

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Solution

The fourth proportional to 7,974.28, 11,957.52 and 4,814.98 is: 7,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.28 : 11,957.52 = 4,814.98 : x
  2. Step 2: Convert to fraction form
    7,974.28/11,957.52 = 4,814.98/x
  3. Step 3: Cross multiply
    7,974.28x = 11,957.52 × 4,814.98
  4. Step 4: Simplify right side
    7,974.28x = 57,575,207.81
  5. Step 5: Solve for x
    x = 57,575,207.81/7,974.28
  6. Step 6: Final answer
    x = 7,220.11

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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.