Home / 10,367.92-15,556.48-5,436.40

Finding the Fourth Proportional to 10,367.92, 15,556.48 and 5,436.40

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Solution

The fourth proportional to 10,367.92, 15,556.48 and 5,436.40 is: 8,157.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.92 : 15,556.48 = 5,436.40 : x
  2. Step 2: Convert to fraction form
    10,367.92/15,556.48 = 5,436.40/x
  3. Step 3: Cross multiply
    10,367.92x = 15,556.48 × 5,436.40
  4. Step 4: Simplify right side
    10,367.92x = 84,571,247.87
  5. Step 5: Solve for x
    x = 84,571,247.87/10,367.92
  6. Step 6: Final answer
    x = 8,157.01

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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.