Home / 11,702.13-16,148.91-6,396.96

Finding the Fourth Proportional to 11,702.13, 16,148.91 and 6,396.96

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Solution

The fourth proportional to 11,702.13, 16,148.91 and 6,396.96 is: 8,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702.13 : 16,148.91 = 6,396.96 : x
  2. Step 2: Convert to fraction form
    11,702.13/16,148.91 = 6,396.96/x
  3. Step 3: Cross multiply
    11,702.13x = 16,148.91 × 6,396.96
  4. Step 4: Simplify right side
    11,702.13x = 103,303,931.31
  5. Step 5: Solve for x
    x = 103,303,931.31/11,702.13
  6. Step 6: Final answer
    x = 8,827.79

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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.