Home / 11,798.19-16,288.20-7,824.66

Finding the Fourth Proportional to 11,798.19, 16,288.20 and 7,824.66

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Solution

The fourth proportional to 11,798.19, 16,288.20 and 7,824.66 is: 10,802.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.19 : 16,288.20 = 7,824.66 : x
  2. Step 2: Convert to fraction form
    11,798.19/16,288.20 = 7,824.66/x
  3. Step 3: Cross multiply
    11,798.19x = 16,288.20 × 7,824.66
  4. Step 4: Simplify right side
    11,798.19x = 127,449,627.01
  5. Step 5: Solve for x
    x = 127,449,627.01/11,798.19
  6. Step 6: Final answer
    x = 10,802.47

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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.