Home / 9,134.08-13,702.30-3,210.55

Finding the Fourth Proportional to 9,134.08, 13,702.30 and 3,210.55

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Solution

The fourth proportional to 9,134.08, 13,702.30 and 3,210.55 is: 4,816.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.08 : 13,702.30 = 3,210.55 : x
  2. Step 2: Convert to fraction form
    9,134.08/13,702.30 = 3,210.55/x
  3. Step 3: Cross multiply
    9,134.08x = 13,702.30 × 3,210.55
  4. Step 4: Simplify right side
    9,134.08x = 43,991,876.98
  5. Step 5: Solve for x
    x = 43,991,876.98/9,134.08
  6. Step 6: Final answer
    x = 4,816.24

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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.