Home / 10,949.63-15,110.48-5,981.63

Finding the Fourth Proportional to 10,949.63, 15,110.48 and 5,981.63

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Solution

The fourth proportional to 10,949.63, 15,110.48 and 5,981.63 is: 8,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.63 : 15,110.48 = 5,981.63 : x
  2. Step 2: Convert to fraction form
    10,949.63/15,110.48 = 5,981.63/x
  3. Step 3: Cross multiply
    10,949.63x = 15,110.48 × 5,981.63
  4. Step 4: Simplify right side
    10,949.63x = 90,385,239.88
  5. Step 5: Solve for x
    x = 90,385,239.88/10,949.63
  6. Step 6: Final answer
    x = 8,254.64

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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.