Home / 13,010.30-17,954.18-7,041.92

Finding the Fourth Proportional to 13,010.30, 17,954.18 and 7,041.92

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Solution

The fourth proportional to 13,010.30, 17,954.18 and 7,041.92 is: 9,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.30 : 17,954.18 = 7,041.92 : x
  2. Step 2: Convert to fraction form
    13,010.30/17,954.18 = 7,041.92/x
  3. Step 3: Cross multiply
    13,010.30x = 17,954.18 × 7,041.92
  4. Step 4: Simplify right side
    13,010.30x = 126,431,774.25
  5. Step 5: Solve for x
    x = 126,431,774.25/13,010.30
  6. Step 6: Final answer
    x = 9,717.83

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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.