Home / 10,887.34-15,025.79-6,108.59

Finding the Fourth Proportional to 10,887.34, 15,025.79 and 6,108.59

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Solution

The fourth proportional to 10,887.34, 15,025.79 and 6,108.59 is: 8,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.34 : 15,025.79 = 6,108.59 : x
  2. Step 2: Convert to fraction form
    10,887.34/15,025.79 = 6,108.59/x
  3. Step 3: Cross multiply
    10,887.34x = 15,025.79 × 6,108.59
  4. Step 4: Simplify right side
    10,887.34x = 91,786,390.54
  5. Step 5: Solve for x
    x = 91,786,390.54/10,887.34
  6. Step 6: Final answer
    x = 8,430.56

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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.