Home / 10,072.30-15,108.45-4,233.10

Finding the Fourth Proportional to 10,072.30, 15,108.45 and 4,233.10

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Solution

The fourth proportional to 10,072.30, 15,108.45 and 4,233.10 is: 6,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.30 : 15,108.45 = 4,233.10 : x
  2. Step 2: Convert to fraction form
    10,072.30/15,108.45 = 4,233.10/x
  3. Step 3: Cross multiply
    10,072.30x = 15,108.45 × 4,233.10
  4. Step 4: Simplify right side
    10,072.30x = 63,955,579.70
  5. Step 5: Solve for x
    x = 63,955,579.70/10,072.30
  6. Step 6: Final answer
    x = 6,349.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.