Home / 10,200.41-15,288.30-5,267.36

Finding the Fourth Proportional to 10,200.41, 15,288.30 and 5,267.36

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Solution

The fourth proportional to 10,200.41, 15,288.30 and 5,267.36 is: 7,894.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.41 : 15,288.30 = 5,267.36 : x
  2. Step 2: Convert to fraction form
    10,200.41/15,288.30 = 5,267.36/x
  3. Step 3: Cross multiply
    10,200.41x = 15,288.30 × 5,267.36
  4. Step 4: Simplify right side
    10,200.41x = 80,528,923.20
  5. Step 5: Solve for x
    x = 80,528,923.20/10,200.41
  6. Step 6: Final answer
    x = 7,894.68

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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.