Home / 12,571.04-17,340.36-9,039.04

Finding the Fourth Proportional to 12,571.04, 17,340.36 and 9,039.04

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Solution

The fourth proportional to 12,571.04, 17,340.36 and 9,039.04 is: 12,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.04 : 17,340.36 = 9,039.04 : x
  2. Step 2: Convert to fraction form
    12,571.04/17,340.36 = 9,039.04/x
  3. Step 3: Cross multiply
    12,571.04x = 17,340.36 × 9,039.04
  4. Step 4: Simplify right side
    12,571.04x = 156,740,207.65
  5. Step 5: Solve for x
    x = 156,740,207.65/12,571.04
  6. Step 6: Final answer
    x = 12,468.36

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Half scale
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Double scale
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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.