Home / 11,267.86-15,548.30-6,231.40

Finding the Fourth Proportional to 11,267.86, 15,548.30 and 6,231.40

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Solution

The fourth proportional to 11,267.86, 15,548.30 and 6,231.40 is: 8,598.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.86 : 15,548.30 = 6,231.40 : x
  2. Step 2: Convert to fraction form
    11,267.86/15,548.30 = 6,231.40/x
  3. Step 3: Cross multiply
    11,267.86x = 15,548.30 × 6,231.40
  4. Step 4: Simplify right side
    11,267.86x = 96,887,598.88
  5. Step 5: Solve for x
    x = 96,887,598.88/11,267.86
  6. Step 6: Final answer
    x = 8,598.58

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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.