Home / 11,237.77-15,514.83-9,992.35

Finding the Fourth Proportional to 11,237.77, 15,514.83 and 9,992.35

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Solution

The fourth proportional to 11,237.77, 15,514.83 and 9,992.35 is: 13,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.77 : 15,514.83 = 9,992.35 : x
  2. Step 2: Convert to fraction form
    11,237.77/15,514.83 = 9,992.35/x
  3. Step 3: Cross multiply
    11,237.77x = 15,514.83 × 9,992.35
  4. Step 4: Simplify right side
    11,237.77x = 155,029,484.01
  5. Step 5: Solve for x
    x = 155,029,484.01/11,237.77
  6. Step 6: Final answer
    x = 13,795.40

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Half scale
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Double scale
Find fourth proportional to 11,238.77, 15,516.21 and 9,993.35
Similar ratio
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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.