Home / 8,475.72-11,685.24-6,957.72

Finding the Fourth Proportional to 8,475.72, 11,685.24 and 6,957.72

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Solution

The fourth proportional to 8,475.72, 11,685.24 and 6,957.72 is: 9,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.72 : 11,685.24 = 6,957.72 : x
  2. Step 2: Convert to fraction form
    8,475.72/11,685.24 = 6,957.72/x
  3. Step 3: Cross multiply
    8,475.72x = 11,685.24 × 6,957.72
  4. Step 4: Simplify right side
    8,475.72x = 81,302,628.05
  5. Step 5: Solve for x
    x = 81,302,628.05/8,475.72
  6. Step 6: Final answer
    x = 9,592.42

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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.