Home / 42,173.89-63,260.84-11,009.14

Finding the Fourth Proportional to 42,173.89, 63,260.84 and 11,009.14

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Solution

The fourth proportional to 42,173.89, 63,260.84 and 11,009.14 is: 16,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,173.89 : 63,260.84 = 11,009.14 : x
  2. Step 2: Convert to fraction form
    42,173.89/63,260.84 = 11,009.14/x
  3. Step 3: Cross multiply
    42,173.89x = 63,260.84 × 11,009.14
  4. Step 4: Simplify right side
    42,173.89x = 696,447,313.45
  5. Step 5: Solve for x
    x = 696,447,313.45/42,173.89
  6. Step 6: Final answer
    x = 16,513.71

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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.