Home / 7,116.85-9,823.34-4,134.02

Finding the Fourth Proportional to 7,116.85, 9,823.34 and 4,134.02

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Solution

The fourth proportional to 7,116.85, 9,823.34 and 4,134.02 is: 5,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.85 : 9,823.34 = 4,134.02 : x
  2. Step 2: Convert to fraction form
    7,116.85/9,823.34 = 4,134.02/x
  3. Step 3: Cross multiply
    7,116.85x = 9,823.34 × 4,134.02
  4. Step 4: Simplify right side
    7,116.85x = 40,609,887.92
  5. Step 5: Solve for x
    x = 40,609,887.92/7,116.85
  6. Step 6: Final answer
    x = 5,706.16

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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.