Home / 8,085.88-11,156.84-4,728.06

Finding the Fourth Proportional to 8,085.88, 11,156.84 and 4,728.06

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Solution

The fourth proportional to 8,085.88, 11,156.84 and 4,728.06 is: 6,523.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.88 : 11,156.84 = 4,728.06 : x
  2. Step 2: Convert to fraction form
    8,085.88/11,156.84 = 4,728.06/x
  3. Step 3: Cross multiply
    8,085.88x = 11,156.84 × 4,728.06
  4. Step 4: Simplify right side
    8,085.88x = 52,750,208.93
  5. Step 5: Solve for x
    x = 52,750,208.93/8,085.88
  6. Step 6: Final answer
    x = 6,523.74

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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.