Home / 8,759.45-12,088.11-4,780.59

Finding the Fourth Proportional to 8,759.45, 12,088.11 and 4,780.59

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Solution

The fourth proportional to 8,759.45, 12,088.11 and 4,780.59 is: 6,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.45 : 12,088.11 = 4,780.59 : x
  2. Step 2: Convert to fraction form
    8,759.45/12,088.11 = 4,780.59/x
  3. Step 3: Cross multiply
    8,759.45x = 12,088.11 × 4,780.59
  4. Step 4: Simplify right side
    8,759.45x = 57,788,297.78
  5. Step 5: Solve for x
    x = 57,788,297.78/8,759.45
  6. Step 6: Final answer
    x = 6,597.26

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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.