Home / 10,515.86-14,512.18-5,800.44

Finding the Fourth Proportional to 10,515.86, 14,512.18 and 5,800.44

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Solution

The fourth proportional to 10,515.86, 14,512.18 and 5,800.44 is: 8,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.86 : 14,512.18 = 5,800.44 : x
  2. Step 2: Convert to fraction form
    10,515.86/14,512.18 = 5,800.44/x
  3. Step 3: Cross multiply
    10,515.86x = 14,512.18 × 5,800.44
  4. Step 4: Simplify right side
    10,515.86x = 84,177,029.36
  5. Step 5: Solve for x
    x = 84,177,029.36/10,515.86
  6. Step 6: Final answer
    x = 8,004.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.