Home / 9,332.92-12,872.32-6,343.72

Finding the Fourth Proportional to 9,332.92, 12,872.32 and 6,343.72

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Solution

The fourth proportional to 9,332.92, 12,872.32 and 6,343.72 is: 8,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.92 : 12,872.32 = 6,343.72 : x
  2. Step 2: Convert to fraction form
    9,332.92/12,872.32 = 6,343.72/x
  3. Step 3: Cross multiply
    9,332.92x = 12,872.32 × 6,343.72
  4. Step 4: Simplify right side
    9,332.92x = 81,658,345.79
  5. Step 5: Solve for x
    x = 81,658,345.79/9,332.92
  6. Step 6: Final answer
    x = 8,749.49

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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.