Home / 8,085.78-11,158.44-4,549.02

Finding the Fourth Proportional to 8,085.78, 11,158.44 and 4,549.02

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Solution

The fourth proportional to 8,085.78, 11,158.44 and 4,549.02 is: 6,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.78 : 11,158.44 = 4,549.02 : x
  2. Step 2: Convert to fraction form
    8,085.78/11,158.44 = 4,549.02/x
  3. Step 3: Cross multiply
    8,085.78x = 11,158.44 × 4,549.02
  4. Step 4: Simplify right side
    8,085.78x = 50,759,966.73
  5. Step 5: Solve for x
    x = 50,759,966.73/8,085.78
  6. Step 6: Final answer
    x = 6,277.68

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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.