Home / 8,176.86-11,283.75-4,639.92

Finding the Fourth Proportional to 8,176.86, 11,283.75 and 4,639.92

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Solution

The fourth proportional to 8,176.86, 11,283.75 and 4,639.92 is: 6,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.86 : 11,283.75 = 4,639.92 : x
  2. Step 2: Convert to fraction form
    8,176.86/11,283.75 = 4,639.92/x
  3. Step 3: Cross multiply
    8,176.86x = 11,283.75 × 4,639.92
  4. Step 4: Simplify right side
    8,176.86x = 52,355,697.30
  5. Step 5: Solve for x
    x = 52,355,697.30/8,176.86
  6. Step 6: Final answer
    x = 6,402.91

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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.