Home / 11,480.13-15,842.12-6,444.77

Finding the Fourth Proportional to 11,480.13, 15,842.12 and 6,444.77

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Solution

The fourth proportional to 11,480.13, 15,842.12 and 6,444.77 is: 8,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.13 : 15,842.12 = 6,444.77 : x
  2. Step 2: Convert to fraction form
    11,480.13/15,842.12 = 6,444.77/x
  3. Step 3: Cross multiply
    11,480.13x = 15,842.12 × 6,444.77
  4. Step 4: Simplify right side
    11,480.13x = 102,098,708.28
  5. Step 5: Solve for x
    x = 102,098,708.28/11,480.13
  6. Step 6: Final answer
    x = 8,893.51

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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.