Home / 11,262.45-15,548.51-7,490.75

Finding the Fourth Proportional to 11,262.45, 15,548.51 and 7,490.75

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Solution

The fourth proportional to 11,262.45, 15,548.51 and 7,490.75 is: 10,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.45 : 15,548.51 = 7,490.75 : x
  2. Step 2: Convert to fraction form
    11,262.45/15,548.51 = 7,490.75/x
  3. Step 3: Cross multiply
    11,262.45x = 15,548.51 × 7,490.75
  4. Step 4: Simplify right side
    11,262.45x = 116,470,001.28
  5. Step 5: Solve for x
    x = 116,470,001.28/11,262.45
  6. Step 6: Final answer
    x = 10,341.44

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Half scale
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Double scale
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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.