Home / 8,623.68-11,900.57-4,847.48

Finding the Fourth Proportional to 8,623.68, 11,900.57 and 4,847.48

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Solution

The fourth proportional to 8,623.68, 11,900.57 and 4,847.48 is: 6,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.68 : 11,900.57 = 4,847.48 : x
  2. Step 2: Convert to fraction form
    8,623.68/11,900.57 = 4,847.48/x
  3. Step 3: Cross multiply
    8,623.68x = 11,900.57 × 4,847.48
  4. Step 4: Simplify right side
    8,623.68x = 57,687,775.06
  5. Step 5: Solve for x
    x = 57,687,775.06/8,623.68
  6. Step 6: Final answer
    x = 6,689.46

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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.