Home / 11,101.20-15,319.47-6,065.31

Finding the Fourth Proportional to 11,101.20, 15,319.47 and 6,065.31

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Solution

The fourth proportional to 11,101.20, 15,319.47 and 6,065.31 is: 8,370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.20 : 15,319.47 = 6,065.31 : x
  2. Step 2: Convert to fraction form
    11,101.20/15,319.47 = 6,065.31/x
  3. Step 3: Cross multiply
    11,101.20x = 15,319.47 × 6,065.31
  4. Step 4: Simplify right side
    11,101.20x = 92,917,257.99
  5. Step 5: Solve for x
    x = 92,917,257.99/11,101.20
  6. Step 6: Final answer
    x = 8,370.02

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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.