Home / 8,160.02-11,260.80-4,623.91

Finding the Fourth Proportional to 8,160.02, 11,260.80 and 4,623.91

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Solution

The fourth proportional to 8,160.02, 11,260.80 and 4,623.91 is: 6,380.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.02 : 11,260.80 = 4,623.91 : x
  2. Step 2: Convert to fraction form
    8,160.02/11,260.80 = 4,623.91/x
  3. Step 3: Cross multiply
    8,160.02x = 11,260.80 × 4,623.91
  4. Step 4: Simplify right side
    8,160.02x = 52,068,869.42
  5. Step 5: Solve for x
    x = 52,068,869.42/8,160.02
  6. Step 6: Final answer
    x = 6,380.97

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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.