Home / 11,148.12-15,384.18-6,180.12

Finding the Fourth Proportional to 11,148.12, 15,384.18 and 6,180.12

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Solution

The fourth proportional to 11,148.12, 15,384.18 and 6,180.12 is: 8,528.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.12 : 15,384.18 = 6,180.12 : x
  2. Step 2: Convert to fraction form
    11,148.12/15,384.18 = 6,180.12/x
  3. Step 3: Cross multiply
    11,148.12x = 15,384.18 × 6,180.12
  4. Step 4: Simplify right side
    11,148.12x = 95,076,078.50
  5. Step 5: Solve for x
    x = 95,076,078.50/11,148.12
  6. Step 6: Final answer
    x = 8,528.44

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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.