Home / 11,400.48-17,103.12-6,472.40

Finding the Fourth Proportional to 11,400.48, 17,103.12 and 6,472.40

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Solution

The fourth proportional to 11,400.48, 17,103.12 and 6,472.40 is: 9,709.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.48 : 17,103.12 = 6,472.40 : x
  2. Step 2: Convert to fraction form
    11,400.48/17,103.12 = 6,472.40/x
  3. Step 3: Cross multiply
    11,400.48x = 17,103.12 × 6,472.40
  4. Step 4: Simplify right side
    11,400.48x = 110,698,233.89
  5. Step 5: Solve for x
    x = 110,698,233.89/11,400.48
  6. Step 6: Final answer
    x = 9,709.96

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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.