Home / 12,325.04-17,007.96-7,020.08

Finding the Fourth Proportional to 12,325.04, 17,007.96 and 7,020.08

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Solution

The fourth proportional to 12,325.04, 17,007.96 and 7,020.08 is: 9,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.04 : 17,007.96 = 7,020.08 : x
  2. Step 2: Convert to fraction form
    12,325.04/17,007.96 = 7,020.08/x
  3. Step 3: Cross multiply
    12,325.04x = 17,007.96 × 7,020.08
  4. Step 4: Simplify right side
    12,325.04x = 119,397,239.84
  5. Step 5: Solve for x
    x = 119,397,239.84/12,325.04
  6. Step 6: Final answer
    x = 9,687.37

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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.