Home / 11,148.91-15,385.09-6,113.02

Finding the Fourth Proportional to 11,148.91, 15,385.09 and 6,113.02

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Solution

The fourth proportional to 11,148.91, 15,385.09 and 6,113.02 is: 8,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.91 : 15,385.09 = 6,113.02 : x
  2. Step 2: Convert to fraction form
    11,148.91/15,385.09 = 6,113.02/x
  3. Step 3: Cross multiply
    11,148.91x = 15,385.09 × 6,113.02
  4. Step 4: Simplify right side
    11,148.91x = 94,049,362.87
  5. Step 5: Solve for x
    x = 94,049,362.87/11,148.91
  6. Step 6: Final answer
    x = 8,435.75

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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.