Home / 8,329.12-12,484.80-4,160.92

Finding the Fourth Proportional to 8,329.12, 12,484.80 and 4,160.92

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Solution

The fourth proportional to 8,329.12, 12,484.80 and 4,160.92 is: 6,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.12 : 12,484.80 = 4,160.92 : x
  2. Step 2: Convert to fraction form
    8,329.12/12,484.80 = 4,160.92/x
  3. Step 3: Cross multiply
    8,329.12x = 12,484.80 × 4,160.92
  4. Step 4: Simplify right side
    8,329.12x = 51,948,254.02
  5. Step 5: Solve for x
    x = 51,948,254.02/8,329.12
  6. Step 6: Final answer
    x = 6,236.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.