Home / 8,753.72-12,080.41-4,775.00

Finding the Fourth Proportional to 8,753.72, 12,080.41 and 4,775.00

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Solution

The fourth proportional to 8,753.72, 12,080.41 and 4,775.00 is: 6,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.72 : 12,080.41 = 4,775.00 : x
  2. Step 2: Convert to fraction form
    8,753.72/12,080.41 = 4,775.00/x
  3. Step 3: Cross multiply
    8,753.72x = 12,080.41 × 4,775.00
  4. Step 4: Simplify right side
    8,753.72x = 57,683,885.41
  5. Step 5: Solve for x
    x = 57,683,885.41/8,753.72
  6. Step 6: Final answer
    x = 6,589.65

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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.