Home / 11,702.08-16,148.60-6,397.04

Finding the Fourth Proportional to 11,702.08, 16,148.60 and 6,397.04

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Solution

The fourth proportional to 11,702.08, 16,148.60 and 6,397.04 is: 8,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702.08 : 16,148.60 = 6,397.04 : x
  2. Step 2: Convert to fraction form
    11,702.08/16,148.60 = 6,397.04/x
  3. Step 3: Cross multiply
    11,702.08x = 16,148.60 × 6,397.04
  4. Step 4: Simplify right side
    11,702.08x = 103,303,240.14
  5. Step 5: Solve for x
    x = 103,303,240.14/11,702.08
  6. Step 6: Final answer
    x = 8,827.77

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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.