Home / 10,824.75-16,238.34-4,985.46

Finding the Fourth Proportional to 10,824.75, 16,238.34 and 4,985.46

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Solution

The fourth proportional to 10,824.75, 16,238.34 and 4,985.46 is: 7,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.75 : 16,238.34 = 4,985.46 : x
  2. Step 2: Convert to fraction form
    10,824.75/16,238.34 = 4,985.46/x
  3. Step 3: Cross multiply
    10,824.75x = 16,238.34 × 4,985.46
  4. Step 4: Simplify right side
    10,824.75x = 80,955,594.54
  5. Step 5: Solve for x
    x = 80,955,594.54/10,824.75
  6. Step 6: Final answer
    x = 7,478.75

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1.5x scale

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.