Home / 8,755.24-12,088.32-7,084.08

Finding the Fourth Proportional to 8,755.24, 12,088.32 and 7,084.08

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Solution

The fourth proportional to 8,755.24, 12,088.32 and 7,084.08 is: 9,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.24 : 12,088.32 = 7,084.08 : x
  2. Step 2: Convert to fraction form
    8,755.24/12,088.32 = 7,084.08/x
  3. Step 3: Cross multiply
    8,755.24x = 12,088.32 × 7,084.08
  4. Step 4: Simplify right side
    8,755.24x = 85,634,625.95
  5. Step 5: Solve for x
    x = 85,634,625.95/8,755.24
  6. Step 6: Final answer
    x = 9,780.96

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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.