Home / 13,051.22-18,010.70-7,082.89

Finding the Fourth Proportional to 13,051.22, 18,010.70 and 7,082.89

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Solution

The fourth proportional to 13,051.22, 18,010.70 and 7,082.89 is: 9,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.22 : 18,010.70 = 7,082.89 : x
  2. Step 2: Convert to fraction form
    13,051.22/18,010.70 = 7,082.89/x
  3. Step 3: Cross multiply
    13,051.22x = 18,010.70 × 7,082.89
  4. Step 4: Simplify right side
    13,051.22x = 127,567,726.48
  5. Step 5: Solve for x
    x = 127,567,726.48/13,051.22
  6. Step 6: Final answer
    x = 9,774.39

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Half scale
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Double scale
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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.