Home / 10,416.42-15,624.50-2,518.88

Finding the Fourth Proportional to 10,416.42, 15,624.50 and 2,518.88

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Solution

The fourth proportional to 10,416.42, 15,624.50 and 2,518.88 is: 3,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.42 : 15,624.50 = 2,518.88 : x
  2. Step 2: Convert to fraction form
    10,416.42/15,624.50 = 2,518.88/x
  3. Step 3: Cross multiply
    10,416.42x = 15,624.50 × 2,518.88
  4. Step 4: Simplify right side
    10,416.42x = 39,356,149.84
  5. Step 5: Solve for x
    x = 39,356,149.84/10,416.42
  6. Step 6: Final answer
    x = 3,778.28

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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.