Home / 9,199.56-12,695.58-5,664.36

Finding the Fourth Proportional to 9,199.56, 12,695.58 and 5,664.36

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Solution

The fourth proportional to 9,199.56, 12,695.58 and 5,664.36 is: 7,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.56 : 12,695.58 = 5,664.36 : x
  2. Step 2: Convert to fraction form
    9,199.56/12,695.58 = 5,664.36/x
  3. Step 3: Cross multiply
    9,199.56x = 12,695.58 × 5,664.36
  4. Step 4: Simplify right side
    9,199.56x = 71,912,335.53
  5. Step 5: Solve for x
    x = 71,912,335.53/9,199.56
  6. Step 6: Final answer
    x = 7,816.93

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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.