Home / 11,852.50-16,356.21-6,475

Finding the Fourth Proportional to 11,852.50, 16,356.21 and 6,475

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Solution

The fourth proportional to 11,852.50, 16,356.21 and 6,475 is: 8,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.50 : 16,356.21 = 6,475 : x
  2. Step 2: Convert to fraction form
    11,852.50/16,356.21 = 6,475/x
  3. Step 3: Cross multiply
    11,852.50x = 16,356.21 × 6,475
  4. Step 4: Simplify right side
    11,852.50x = 105,906,459.75
  5. Step 5: Solve for x
    x = 105,906,459.75/11,852.50
  6. Step 6: Final answer
    x = 8,935.37

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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.