Home / 13,010.28-17,954.08-7,041.81

Finding the Fourth Proportional to 13,010.28, 17,954.08 and 7,041.81

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Solution

The fourth proportional to 13,010.28, 17,954.08 and 7,041.81 is: 9,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.28 : 17,954.08 = 7,041.81 : x
  2. Step 2: Convert to fraction form
    13,010.28/17,954.08 = 7,041.81/x
  3. Step 3: Cross multiply
    13,010.28x = 17,954.08 × 7,041.81
  4. Step 4: Simplify right side
    13,010.28x = 126,429,220.08
  5. Step 5: Solve for x
    x = 126,429,220.08/13,010.28
  6. Step 6: Final answer
    x = 9,717.64

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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.