Home / 11,277.09-15,561.39-6,241.23

Finding the Fourth Proportional to 11,277.09, 15,561.39 and 6,241.23

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Solution

The fourth proportional to 11,277.09, 15,561.39 and 6,241.23 is: 8,612.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.09 : 15,561.39 = 6,241.23 : x
  2. Step 2: Convert to fraction form
    11,277.09/15,561.39 = 6,241.23/x
  3. Step 3: Cross multiply
    11,277.09x = 15,561.39 × 6,241.23
  4. Step 4: Simplify right side
    11,277.09x = 97,122,214.11
  5. Step 5: Solve for x
    x = 97,122,214.11/11,277.09
  6. Step 6: Final answer
    x = 8,612.35

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Half scale
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Double scale
Find fourth proportional to 11,278.09, 15,562.77 and 6,242.23
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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.