Home / 11,306.96-15,587.47-8,119.24

Finding the Fourth Proportional to 11,306.96, 15,587.47 and 8,119.24

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Solution

The fourth proportional to 11,306.96, 15,587.47 and 8,119.24 is: 11,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.96 : 15,587.47 = 8,119.24 : x
  2. Step 2: Convert to fraction form
    11,306.96/15,587.47 = 8,119.24/x
  3. Step 3: Cross multiply
    11,306.96x = 15,587.47 × 8,119.24
  4. Step 4: Simplify right side
    11,306.96x = 126,558,389.62
  5. Step 5: Solve for x
    x = 126,558,389.62/11,306.96
  6. Step 6: Final answer
    x = 11,192.96

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Half scale
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Double scale
Find fourth proportional to 11,307.96, 15,588.85 and 8,120.24
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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.