Home / 10,185.35-14,058.77-6,649.09

Finding the Fourth Proportional to 10,185.35, 14,058.77 and 6,649.09

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Solution

The fourth proportional to 10,185.35, 14,058.77 and 6,649.09 is: 9,177.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.35 : 14,058.77 = 6,649.09 : x
  2. Step 2: Convert to fraction form
    10,185.35/14,058.77 = 6,649.09/x
  3. Step 3: Cross multiply
    10,185.35x = 14,058.77 × 6,649.09
  4. Step 4: Simplify right side
    10,185.35x = 93,477,958.63
  5. Step 5: Solve for x
    x = 93,477,958.63/10,185.35
  6. Step 6: Final answer
    x = 9,177.69

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Half scale
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Double scale
Find fourth proportional to 10,186.35, 14,060.15 and 6,650.09
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.