Home / 9,896.32-13,659.96-5,707.36

Finding the Fourth Proportional to 9,896.32, 13,659.96 and 5,707.36

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Solution

The fourth proportional to 9,896.32, 13,659.96 and 5,707.36 is: 7,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,896.32 : 13,659.96 = 5,707.36 : x
  2. Step 2: Convert to fraction form
    9,896.32/13,659.96 = 5,707.36/x
  3. Step 3: Cross multiply
    9,896.32x = 13,659.96 × 5,707.36
  4. Step 4: Simplify right side
    9,896.32x = 77,962,309.31
  5. Step 5: Solve for x
    x = 77,962,309.31/9,896.32
  6. Step 6: Final answer
    x = 7,877.91

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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.