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Finding the Fourth Proportional to 8,057.48, 11,119.78 and 4,521

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Solution

The fourth proportional to 8,057.48, 11,119.78 and 4,521 is: 6,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.48 : 11,119.78 = 4,521 : x
  2. Step 2: Convert to fraction form
    8,057.48/11,119.78 = 4,521/x
  3. Step 3: Cross multiply
    8,057.48x = 11,119.78 × 4,521
  4. Step 4: Simplify right side
    8,057.48x = 50,272,525.38
  5. Step 5: Solve for x
    x = 50,272,525.38/8,057.48
  6. Step 6: Final answer
    x = 6,239.24

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Half scale
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Double scale
Find fourth proportional to 8,058.48, 11,121.16 and 4,522
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.