Home / 8,060.40-11,123.35-4,702.57

Finding the Fourth Proportional to 8,060.40, 11,123.35 and 4,702.57

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Solution

The fourth proportional to 8,060.40, 11,123.35 and 4,702.57 is: 6,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.40 : 11,123.35 = 4,702.57 : x
  2. Step 2: Convert to fraction form
    8,060.40/11,123.35 = 4,702.57/x
  3. Step 3: Cross multiply
    8,060.40x = 11,123.35 × 4,702.57
  4. Step 4: Simplify right side
    8,060.40x = 52,308,321.31
  5. Step 5: Solve for x
    x = 52,308,321.31/8,060.40
  6. Step 6: Final answer
    x = 6,489.54

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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.