Home / 8,759.34-12,087.95-4,780.44

Finding the Fourth Proportional to 8,759.34, 12,087.95 and 4,780.44

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Solution

The fourth proportional to 8,759.34, 12,087.95 and 4,780.44 is: 6,597.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.34 : 12,087.95 = 4,780.44 : x
  2. Step 2: Convert to fraction form
    8,759.34/12,087.95 = 4,780.44/x
  3. Step 3: Cross multiply
    8,759.34x = 12,087.95 × 4,780.44
  4. Step 4: Simplify right side
    8,759.34x = 57,785,695.80
  5. Step 5: Solve for x
    x = 57,785,695.80/8,759.34
  6. Step 6: Final answer
    x = 6,597.04

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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.