Home / 8,059.10-11,121.35-4,702.05

Finding the Fourth Proportional to 8,059.10, 11,121.35 and 4,702.05

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Solution

The fourth proportional to 8,059.10, 11,121.35 and 4,702.05 is: 6,488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059.10 : 11,121.35 = 4,702.05 : x
  2. Step 2: Convert to fraction form
    8,059.10/11,121.35 = 4,702.05/x
  3. Step 3: Cross multiply
    8,059.10x = 11,121.35 × 4,702.05
  4. Step 4: Simplify right side
    8,059.10x = 52,293,146.71
  5. Step 5: Solve for x
    x = 52,293,146.71/8,059.10
  6. Step 6: Final answer
    x = 6,488.71

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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.