Home / 7,877.04-11,816.76-2,682.50

Finding the Fourth Proportional to 7,877.04, 11,816.76 and 2,682.50

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Solution

The fourth proportional to 7,877.04, 11,816.76 and 2,682.50 is: 4,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.04 : 11,816.76 = 2,682.50 : x
  2. Step 2: Convert to fraction form
    7,877.04/11,816.76 = 2,682.50/x
  3. Step 3: Cross multiply
    7,877.04x = 11,816.76 × 2,682.50
  4. Step 4: Simplify right side
    7,877.04x = 31,698,458.70
  5. Step 5: Solve for x
    x = 31,698,458.70/7,877.04
  6. Step 6: Final answer
    x = 4,024.16

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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.