Home / 11,471.63-15,829.44-6,755

Finding the Fourth Proportional to 11,471.63, 15,829.44 and 6,755

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Solution

The fourth proportional to 11,471.63, 15,829.44 and 6,755 is: 9,321.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,471.63 : 15,829.44 = 6,755 : x
  2. Step 2: Convert to fraction form
    11,471.63/15,829.44 = 6,755/x
  3. Step 3: Cross multiply
    11,471.63x = 15,829.44 × 6,755
  4. Step 4: Simplify right side
    11,471.63x = 106,927,867.20
  5. Step 5: Solve for x
    x = 106,927,867.20/11,471.63
  6. Step 6: Final answer
    x = 9,321.07

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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.