Home / 11,303.46-16,965.54-5,760.78

Finding the Fourth Proportional to 11,303.46, 16,965.54 and 5,760.78

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Solution

The fourth proportional to 11,303.46, 16,965.54 and 5,760.78 is: 8,646.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.46 : 16,965.54 = 5,760.78 : x
  2. Step 2: Convert to fraction form
    11,303.46/16,965.54 = 5,760.78/x
  3. Step 3: Cross multiply
    11,303.46x = 16,965.54 × 5,760.78
  4. Step 4: Simplify right side
    11,303.46x = 97,734,743.52
  5. Step 5: Solve for x
    x = 97,734,743.52/11,303.46
  6. Step 6: Final answer
    x = 8,646.44

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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.