Home / 7,543.64-11,312.76-2,611.96

Finding the Fourth Proportional to 7,543.64, 11,312.76 and 2,611.96

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Solution

The fourth proportional to 7,543.64, 11,312.76 and 2,611.96 is: 3,917.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.64 : 11,312.76 = 2,611.96 : x
  2. Step 2: Convert to fraction form
    7,543.64/11,312.76 = 2,611.96/x
  3. Step 3: Cross multiply
    7,543.64x = 11,312.76 × 2,611.96
  4. Step 4: Simplify right side
    7,543.64x = 29,548,476.61
  5. Step 5: Solve for x
    x = 29,548,476.61/7,543.64
  6. Step 6: Final answer
    x = 3,917.01

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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.