Home / 8,871.02-12,241.92-4,892.06

Finding the Fourth Proportional to 8,871.02, 12,241.92 and 4,892.06

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Solution

The fourth proportional to 8,871.02, 12,241.92 and 4,892.06 is: 6,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.02 : 12,241.92 = 4,892.06 : x
  2. Step 2: Convert to fraction form
    8,871.02/12,241.92 = 4,892.06/x
  3. Step 3: Cross multiply
    8,871.02x = 12,241.92 × 4,892.06
  4. Step 4: Simplify right side
    8,871.02x = 59,888,207.16
  5. Step 5: Solve for x
    x = 59,888,207.16/8,871.02
  6. Step 6: Final answer
    x = 6,750.99

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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.