Home / 8,840.28-12,199.07-4,861.40

Finding the Fourth Proportional to 8,840.28, 12,199.07 and 4,861.40

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Solution

The fourth proportional to 8,840.28, 12,199.07 and 4,861.40 is: 6,708.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.28 : 12,199.07 = 4,861.40 : x
  2. Step 2: Convert to fraction form
    8,840.28/12,199.07 = 4,861.40/x
  3. Step 3: Cross multiply
    8,840.28x = 12,199.07 × 4,861.40
  4. Step 4: Simplify right side
    8,840.28x = 59,304,510.06
  5. Step 5: Solve for x
    x = 59,304,510.06/8,840.28
  6. Step 6: Final answer
    x = 6,708.44

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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.