Home / 7,543.02-11,312.70-3,163.75

Finding the Fourth Proportional to 7,543.02, 11,312.70 and 3,163.75

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Solution

The fourth proportional to 7,543.02, 11,312.70 and 3,163.75 is: 4,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.02 : 11,312.70 = 3,163.75 : x
  2. Step 2: Convert to fraction form
    7,543.02/11,312.70 = 3,163.75/x
  3. Step 3: Cross multiply
    7,543.02x = 11,312.70 × 3,163.75
  4. Step 4: Simplify right side
    7,543.02x = 35,790,554.63
  5. Step 5: Solve for x
    x = 35,790,554.63/7,543.02
  6. Step 6: Final answer
    x = 4,744.86

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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.