Home / 8,108.34-11,188.63-4,750.48

Finding the Fourth Proportional to 8,108.34, 11,188.63 and 4,750.48

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Solution

The fourth proportional to 8,108.34, 11,188.63 and 4,750.48 is: 6,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.34 : 11,188.63 = 4,750.48 : x
  2. Step 2: Convert to fraction form
    8,108.34/11,188.63 = 4,750.48/x
  3. Step 3: Cross multiply
    8,108.34x = 11,188.63 × 4,750.48
  4. Step 4: Simplify right side
    8,108.34x = 53,151,382.97
  5. Step 5: Solve for x
    x = 53,151,382.97/8,108.34
  6. Step 6: Final answer
    x = 6,555.15

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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.