Home / 8,905.37-12,293.17-5,549.83

Finding the Fourth Proportional to 8,905.37, 12,293.17 and 5,549.83

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Solution

The fourth proportional to 8,905.37, 12,293.17 and 5,549.83 is: 7,661.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.37 : 12,293.17 = 5,549.83 : x
  2. Step 2: Convert to fraction form
    8,905.37/12,293.17 = 5,549.83/x
  3. Step 3: Cross multiply
    8,905.37x = 12,293.17 × 5,549.83
  4. Step 4: Simplify right side
    8,905.37x = 68,224,959.05
  5. Step 5: Solve for x
    x = 68,224,959.05/8,905.37
  6. Step 6: Final answer
    x = 7,661.11

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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.