Home / 8,158.98-11,259.38-4,972.29

Finding the Fourth Proportional to 8,158.98, 11,259.38 and 4,972.29

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Solution

The fourth proportional to 8,158.98, 11,259.38 and 4,972.29 is: 6,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.98 : 11,259.38 = 4,972.29 : x
  2. Step 2: Convert to fraction form
    8,158.98/11,259.38 = 4,972.29/x
  3. Step 3: Cross multiply
    8,158.98x = 11,259.38 × 4,972.29
  4. Step 4: Simplify right side
    8,158.98x = 55,984,821.42
  5. Step 5: Solve for x
    x = 55,984,821.42/8,158.98
  6. Step 6: Final answer
    x = 6,861.74

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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.