Home / 9,861.18-14,791.91-5,506.35

Finding the Fourth Proportional to 9,861.18, 14,791.91 and 5,506.35

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Solution

The fourth proportional to 9,861.18, 14,791.91 and 5,506.35 is: 8,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.18 : 14,791.91 = 5,506.35 : x
  2. Step 2: Convert to fraction form
    9,861.18/14,791.91 = 5,506.35/x
  3. Step 3: Cross multiply
    9,861.18x = 14,791.91 × 5,506.35
  4. Step 4: Simplify right side
    9,861.18x = 81,449,406.10
  5. Step 5: Solve for x
    x = 81,449,406.10/9,861.18
  6. Step 6: Final answer
    x = 8,259.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.