Home / 9,349.20-12,894.12-6,996.96

Finding the Fourth Proportional to 9,349.20, 12,894.12 and 6,996.96

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Solution

The fourth proportional to 9,349.20, 12,894.12 and 6,996.96 is: 9,649.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349.20 : 12,894.12 = 6,996.96 : x
  2. Step 2: Convert to fraction form
    9,349.20/12,894.12 = 6,996.96/x
  3. Step 3: Cross multiply
    9,349.20x = 12,894.12 × 6,996.96
  4. Step 4: Simplify right side
    9,349.20x = 90,219,641.88
  5. Step 5: Solve for x
    x = 90,219,641.88/9,349.20
  6. Step 6: Final answer
    x = 9,649.99

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Half scale
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Double scale
Find fourth proportional to 9,350.20, 12,895.50 and 6,997.96
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.