Home / 12,328.46-17,012.36-7,022.24

Finding the Fourth Proportional to 12,328.46, 17,012.36 and 7,022.24

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Solution

The fourth proportional to 12,328.46, 17,012.36 and 7,022.24 is: 9,690.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.46 : 17,012.36 = 7,022.24 : x
  2. Step 2: Convert to fraction form
    12,328.46/17,012.36 = 7,022.24/x
  3. Step 3: Cross multiply
    12,328.46x = 17,012.36 × 7,022.24
  4. Step 4: Simplify right side
    12,328.46x = 119,464,839.78
  5. Step 5: Solve for x
    x = 119,464,839.78/12,328.46
  6. Step 6: Final answer
    x = 9,690.17

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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.