Home / 8,188.48-11,300.25-4,651.93

Finding the Fourth Proportional to 8,188.48, 11,300.25 and 4,651.93

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Solution

The fourth proportional to 8,188.48, 11,300.25 and 4,651.93 is: 6,419.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.48 : 11,300.25 = 4,651.93 : x
  2. Step 2: Convert to fraction form
    8,188.48/11,300.25 = 4,651.93/x
  3. Step 3: Cross multiply
    8,188.48x = 11,300.25 × 4,651.93
  4. Step 4: Simplify right side
    8,188.48x = 52,567,971.98
  5. Step 5: Solve for x
    x = 52,567,971.98/8,188.48
  6. Step 6: Final answer
    x = 6,419.75

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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.