Home / 13,134.12-19,702.48-6,466.62

Finding the Fourth Proportional to 13,134.12, 19,702.48 and 6,466.62

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Solution

The fourth proportional to 13,134.12, 19,702.48 and 6,466.62 is: 9,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.12 : 19,702.48 = 6,466.62 : x
  2. Step 2: Convert to fraction form
    13,134.12/19,702.48 = 6,466.62/x
  3. Step 3: Cross multiply
    13,134.12x = 19,702.48 × 6,466.62
  4. Step 4: Simplify right side
    13,134.12x = 127,408,451.22
  5. Step 5: Solve for x
    x = 127,408,451.22/13,134.12
  6. Step 6: Final answer
    x = 9,700.57

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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.