Home / 11,211.04-15,470.60-6,174.30

Finding the Fourth Proportional to 11,211.04, 15,470.60 and 6,174.30

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Solution

The fourth proportional to 11,211.04, 15,470.60 and 6,174.30 is: 8,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.04 : 15,470.60 = 6,174.30 : x
  2. Step 2: Convert to fraction form
    11,211.04/15,470.60 = 6,174.30/x
  3. Step 3: Cross multiply
    11,211.04x = 15,470.60 × 6,174.30
  4. Step 4: Simplify right side
    11,211.04x = 95,520,141.02
  5. Step 5: Solve for x
    x = 95,520,141.02/11,211.04
  6. Step 6: Final answer
    x = 8,520.19

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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.