Home / 10,371.84-15,563.22-4,521.61

Finding the Fourth Proportional to 10,371.84, 15,563.22 and 4,521.61

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Solution

The fourth proportional to 10,371.84, 15,563.22 and 4,521.61 is: 6,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.84 : 15,563.22 = 4,521.61 : x
  2. Step 2: Convert to fraction form
    10,371.84/15,563.22 = 4,521.61/x
  3. Step 3: Cross multiply
    10,371.84x = 15,563.22 × 4,521.61
  4. Step 4: Simplify right side
    10,371.84x = 70,370,811.18
  5. Step 5: Solve for x
    x = 70,370,811.18/10,371.84
  6. Step 6: Final answer
    x = 6,784.80

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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.