Home / 13,010.16-17,956.12-9,675.12

Finding the Fourth Proportional to 13,010.16, 17,956.12 and 9,675.12

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Solution

The fourth proportional to 13,010.16, 17,956.12 and 9,675.12 is: 13,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.16 : 17,956.12 = 9,675.12 : x
  2. Step 2: Convert to fraction form
    13,010.16/17,956.12 = 9,675.12/x
  3. Step 3: Cross multiply
    13,010.16x = 17,956.12 × 9,675.12
  4. Step 4: Simplify right side
    13,010.16x = 173,727,615.73
  5. Step 5: Solve for x
    x = 173,727,615.73/13,010.16
  6. Step 6: Final answer
    x = 13,353.23

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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.