Home / 11,726.99-16,166.57-7,248.21

Finding the Fourth Proportional to 11,726.99, 16,166.57 and 7,248.21

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Solution

The fourth proportional to 11,726.99, 16,166.57 and 7,248.21 is: 9,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.99 : 16,166.57 = 7,248.21 : x
  2. Step 2: Convert to fraction form
    11,726.99/16,166.57 = 7,248.21/x
  3. Step 3: Cross multiply
    11,726.99x = 16,166.57 × 7,248.21
  4. Step 4: Simplify right side
    11,726.99x = 117,178,694.34
  5. Step 5: Solve for x
    x = 117,178,694.34/11,726.99
  6. Step 6: Final answer
    x = 9,992.22

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Half scale
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Double scale
Find fourth proportional to 11,727.99, 16,167.95 and 7,249.21
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.