Home / 8,938.91-12,335.27-4,960.32

Finding the Fourth Proportional to 8,938.91, 12,335.27 and 4,960.32

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Solution

The fourth proportional to 8,938.91, 12,335.27 and 4,960.32 is: 6,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.91 : 12,335.27 = 4,960.32 : x
  2. Step 2: Convert to fraction form
    8,938.91/12,335.27 = 4,960.32/x
  3. Step 3: Cross multiply
    8,938.91x = 12,335.27 × 4,960.32
  4. Step 4: Simplify right side
    8,938.91x = 61,186,861.68
  5. Step 5: Solve for x
    x = 61,186,861.68/8,938.91
  6. Step 6: Final answer
    x = 6,845.01

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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.