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Finding the Fourth Proportional to 10,803.50, 14,907.21 and 6,087.68

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Solution

The fourth proportional to 10,803.50, 14,907.21 and 6,087.68 is: 8,400.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803.50 : 14,907.21 = 6,087.68 : x
  2. Step 2: Convert to fraction form
    10,803.50/14,907.21 = 6,087.68/x
  3. Step 3: Cross multiply
    10,803.50x = 14,907.21 × 6,087.68
  4. Step 4: Simplify right side
    10,803.50x = 90,750,324.17
  5. Step 5: Solve for x
    x = 90,750,324.17/10,803.50
  6. Step 6: Final answer
    x = 8,400.09

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1.5x scale

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.