Home / 13,051.48-18,010.90-7,083.28

Finding the Fourth Proportional to 13,051.48, 18,010.90 and 7,083.28

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Solution

The fourth proportional to 13,051.48, 18,010.90 and 7,083.28 is: 9,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.48 : 18,010.90 = 7,083.28 : x
  2. Step 2: Convert to fraction form
    13,051.48/18,010.90 = 7,083.28/x
  3. Step 3: Cross multiply
    13,051.48x = 18,010.90 × 7,083.28
  4. Step 4: Simplify right side
    13,051.48x = 127,576,247.75
  5. Step 5: Solve for x
    x = 127,576,247.75/13,051.48
  6. Step 6: Final answer
    x = 9,774.85

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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.