Home / 11,150.88-15,384.48-6,433.44

Finding the Fourth Proportional to 11,150.88, 15,384.48 and 6,433.44

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Solution

The fourth proportional to 11,150.88, 15,384.48 and 6,433.44 is: 8,875.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.88 : 15,384.48 = 6,433.44 : x
  2. Step 2: Convert to fraction form
    11,150.88/15,384.48 = 6,433.44/x
  3. Step 3: Cross multiply
    11,150.88x = 15,384.48 × 6,433.44
  4. Step 4: Simplify right side
    11,150.88x = 98,975,129.01
  5. Step 5: Solve for x
    x = 98,975,129.01/11,150.88
  6. Step 6: Final answer
    x = 8,875.99

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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.