Home / 7,409.16-11,102.67-6,862.41

Finding the Fourth Proportional to 7,409.16, 11,102.67 and 6,862.41

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Solution

The fourth proportional to 7,409.16, 11,102.67 and 6,862.41 is: 10,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.16 : 11,102.67 = 6,862.41 : x
  2. Step 2: Convert to fraction form
    7,409.16/11,102.67 = 6,862.41/x
  3. Step 3: Cross multiply
    7,409.16x = 11,102.67 × 6,862.41
  4. Step 4: Simplify right side
    7,409.16x = 76,191,073.63
  5. Step 5: Solve for x
    x = 76,191,073.63/7,409.16
  6. Step 6: Final answer
    x = 10,283.36

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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.