Home / 9,685.96-14,529.46-3,111.64

Finding the Fourth Proportional to 9,685.96, 14,529.46 and 3,111.64

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Solution

The fourth proportional to 9,685.96, 14,529.46 and 3,111.64 is: 4,667.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.96 : 14,529.46 = 3,111.64 : x
  2. Step 2: Convert to fraction form
    9,685.96/14,529.46 = 3,111.64/x
  3. Step 3: Cross multiply
    9,685.96x = 14,529.46 × 3,111.64
  4. Step 4: Simplify right side
    9,685.96x = 45,210,448.91
  5. Step 5: Solve for x
    x = 45,210,448.91/9,685.96
  6. Step 6: Final answer
    x = 4,667.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.