Home / 9,935.92-13,706.28-6,157.84

Finding the Fourth Proportional to 9,935.92, 13,706.28 and 6,157.84

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Solution

The fourth proportional to 9,935.92, 13,706.28 and 6,157.84 is: 8,494.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.92 : 13,706.28 = 6,157.84 : x
  2. Step 2: Convert to fraction form
    9,935.92/13,706.28 = 6,157.84/x
  3. Step 3: Cross multiply
    9,935.92x = 13,706.28 × 6,157.84
  4. Step 4: Simplify right side
    9,935.92x = 84,401,079.24
  5. Step 5: Solve for x
    x = 84,401,079.24/9,935.92
  6. Step 6: Final answer
    x = 8,494.54

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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.