Home / 8,085.40-11,158.50-4,548.40

Finding the Fourth Proportional to 8,085.40, 11,158.50 and 4,548.40

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Solution

The fourth proportional to 8,085.40, 11,158.50 and 4,548.40 is: 6,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.40 : 11,158.50 = 4,548.40 : x
  2. Step 2: Convert to fraction form
    8,085.40/11,158.50 = 4,548.40/x
  3. Step 3: Cross multiply
    8,085.40x = 11,158.50 × 4,548.40
  4. Step 4: Simplify right side
    8,085.40x = 50,753,321.40
  5. Step 5: Solve for x
    x = 50,753,321.40/8,085.40
  6. Step 6: Final answer
    x = 6,277.16

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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.