Home / 11,132.09-15,349.25-8,886.77

Finding the Fourth Proportional to 11,132.09, 15,349.25 and 8,886.77

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Solution

The fourth proportional to 11,132.09, 15,349.25 and 8,886.77 is: 12,253.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.09 : 15,349.25 = 8,886.77 : x
  2. Step 2: Convert to fraction form
    11,132.09/15,349.25 = 8,886.77/x
  3. Step 3: Cross multiply
    11,132.09x = 15,349.25 × 8,886.77
  4. Step 4: Simplify right side
    11,132.09x = 136,405,254.42
  5. Step 5: Solve for x
    x = 136,405,254.42/11,132.09
  6. Step 6: Final answer
    x = 12,253.34

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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.