Home / 13,020.09-17,967.63-7,051.62

Finding the Fourth Proportional to 13,020.09, 17,967.63 and 7,051.62

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Solution

The fourth proportional to 13,020.09, 17,967.63 and 7,051.62 is: 9,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.09 : 17,967.63 = 7,051.62 : x
  2. Step 2: Convert to fraction form
    13,020.09/17,967.63 = 7,051.62/x
  3. Step 3: Cross multiply
    13,020.09x = 17,967.63 × 7,051.62
  4. Step 4: Simplify right side
    13,020.09x = 126,700,899.06
  5. Step 5: Solve for x
    x = 126,700,899.06/13,020.09
  6. Step 6: Final answer
    x = 9,731.18

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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.