Home / 8,085.12-11,156.16-4,548.12

Finding the Fourth Proportional to 8,085.12, 11,156.16 and 4,548.12

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Solution

The fourth proportional to 8,085.12, 11,156.16 and 4,548.12 is: 6,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.12 : 11,156.16 = 4,548.12 : x
  2. Step 2: Convert to fraction form
    8,085.12/11,156.16 = 4,548.12/x
  3. Step 3: Cross multiply
    8,085.12x = 11,156.16 × 4,548.12
  4. Step 4: Simplify right side
    8,085.12x = 50,739,554.42
  5. Step 5: Solve for x
    x = 50,739,554.42/8,085.12
  6. Step 6: Final answer
    x = 6,275.67

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Half scale
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Double scale
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Similar ratio
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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.