Home / 8,085.90-11,158.32-4,549.35

Finding the Fourth Proportional to 8,085.90, 11,158.32 and 4,549.35

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Solution

The fourth proportional to 8,085.90, 11,158.32 and 4,549.35 is: 6,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.90 : 11,158.32 = 4,549.35 : x
  2. Step 2: Convert to fraction form
    8,085.90/11,158.32 = 4,549.35/x
  3. Step 3: Cross multiply
    8,085.90x = 11,158.32 × 4,549.35
  4. Step 4: Simplify right side
    8,085.90x = 50,763,103.09
  5. Step 5: Solve for x
    x = 50,763,103.09/8,085.90
  6. Step 6: Final answer
    x = 6,277.98

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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.