Home / 10,880.91-15,014.61-6,165.18

Finding the Fourth Proportional to 10,880.91, 15,014.61 and 6,165.18

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Solution

The fourth proportional to 10,880.91, 15,014.61 and 6,165.18 is: 8,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.91 : 15,014.61 = 6,165.18 : x
  2. Step 2: Convert to fraction form
    10,880.91/15,014.61 = 6,165.18/x
  3. Step 3: Cross multiply
    10,880.91x = 15,014.61 × 6,165.18
  4. Step 4: Simplify right side
    10,880.91x = 92,567,773.28
  5. Step 5: Solve for x
    x = 92,567,773.28/10,880.91
  6. Step 6: Final answer
    x = 8,507.36

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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.