Home / 10,949.74-15,108.59-6,169.32

Finding the Fourth Proportional to 10,949.74, 15,108.59 and 6,169.32

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Solution

The fourth proportional to 10,949.74, 15,108.59 and 6,169.32 is: 8,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.74 : 15,108.59 = 6,169.32 : x
  2. Step 2: Convert to fraction form
    10,949.74/15,108.59 = 6,169.32/x
  3. Step 3: Cross multiply
    10,949.74x = 15,108.59 × 6,169.32
  4. Step 4: Simplify right side
    10,949.74x = 93,209,741.88
  5. Step 5: Solve for x
    x = 93,209,741.88/10,949.74
  6. Step 6: Final answer
    x = 8,512.51

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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.