Home / 10,614.36-15,917.76-4,038.80

Finding the Fourth Proportional to 10,614.36, 15,917.76 and 4,038.80

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Solution

The fourth proportional to 10,614.36, 15,917.76 and 4,038.80 is: 6,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,614.36 : 15,917.76 = 4,038.80 : x
  2. Step 2: Convert to fraction form
    10,614.36/15,917.76 = 4,038.80/x
  3. Step 3: Cross multiply
    10,614.36x = 15,917.76 × 4,038.80
  4. Step 4: Simplify right side
    10,614.36x = 64,288,649.09
  5. Step 5: Solve for x
    x = 64,288,649.09/10,614.36
  6. Step 6: Final answer
    x = 6,056.76

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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.