Home / 10,370.84-15,561.72-4,520.61

Finding the Fourth Proportional to 10,370.84, 15,561.72 and 4,520.61

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Solution

The fourth proportional to 10,370.84, 15,561.72 and 4,520.61 is: 6,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.84 : 15,561.72 = 4,520.61 : x
  2. Step 2: Convert to fraction form
    10,370.84/15,561.72 = 4,520.61/x
  3. Step 3: Cross multiply
    10,370.84x = 15,561.72 × 4,520.61
  4. Step 4: Simplify right side
    10,370.84x = 70,348,467.05
  5. Step 5: Solve for x
    x = 70,348,467.05/10,370.84
  6. Step 6: Final answer
    x = 6,783.30

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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.