Home / 10,614.40-15,919.84-2,823.68

Finding the Fourth Proportional to 10,614.40, 15,919.84 and 2,823.68

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Solution

The fourth proportional to 10,614.40, 15,919.84 and 2,823.68 is: 4,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,614.40 : 15,919.84 = 2,823.68 : x
  2. Step 2: Convert to fraction form
    10,614.40/15,919.84 = 2,823.68/x
  3. Step 3: Cross multiply
    10,614.40x = 15,919.84 × 2,823.68
  4. Step 4: Simplify right side
    10,614.40x = 44,952,533.81
  5. Step 5: Solve for x
    x = 44,952,533.81/10,614.40
  6. Step 6: Final answer
    x = 4,235.05

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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.