Home / 7,953.28-11,938.80-4,672.48

Finding the Fourth Proportional to 7,953.28, 11,938.80 and 4,672.48

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Solution

The fourth proportional to 7,953.28, 11,938.80 and 4,672.48 is: 7,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.28 : 11,938.80 = 4,672.48 : x
  2. Step 2: Convert to fraction form
    7,953.28/11,938.80 = 4,672.48/x
  3. Step 3: Cross multiply
    7,953.28x = 11,938.80 × 4,672.48
  4. Step 4: Simplify right side
    7,953.28x = 55,783,804.22
  5. Step 5: Solve for x
    x = 55,783,804.22/7,953.28
  6. Step 6: Final answer
    x = 7,013.94

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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.