Home / 8,010.81-12,014.46-2,166.12

Finding the Fourth Proportional to 8,010.81, 12,014.46 and 2,166.12

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Solution

The fourth proportional to 8,010.81, 12,014.46 and 2,166.12 is: 3,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.81 : 12,014.46 = 2,166.12 : x
  2. Step 2: Convert to fraction form
    8,010.81/12,014.46 = 2,166.12/x
  3. Step 3: Cross multiply
    8,010.81x = 12,014.46 × 2,166.12
  4. Step 4: Simplify right side
    8,010.81x = 26,024,762.10
  5. Step 5: Solve for x
    x = 26,024,762.10/8,010.81
  6. Step 6: Final answer
    x = 3,248.71

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Half scale
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Double scale
Find fourth proportional to 8,011.81, 12,015.96 and 2,167.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.