Home / 13,134.13-19,702.47-6,466.61

Finding the Fourth Proportional to 13,134.13, 19,702.47 and 6,466.61

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Solution

The fourth proportional to 13,134.13, 19,702.47 and 6,466.61 is: 9,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.13 : 19,702.47 = 6,466.61 : x
  2. Step 2: Convert to fraction form
    13,134.13/19,702.47 = 6,466.61/x
  3. Step 3: Cross multiply
    13,134.13x = 19,702.47 × 6,466.61
  4. Step 4: Simplify right side
    13,134.13x = 127,408,189.53
  5. Step 5: Solve for x
    x = 127,408,189.53/13,134.13
  6. Step 6: Final answer
    x = 9,700.54

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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.