Home / 12,009.06-17,984.89-9,357.32

Finding the Fourth Proportional to 12,009.06, 17,984.89 and 9,357.32

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Solution

The fourth proportional to 12,009.06, 17,984.89 and 9,357.32 is: 14,013.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.06 : 17,984.89 = 9,357.32 : x
  2. Step 2: Convert to fraction form
    12,009.06/17,984.89 = 9,357.32/x
  3. Step 3: Cross multiply
    12,009.06x = 17,984.89 × 9,357.32
  4. Step 4: Simplify right side
    12,009.06x = 168,290,374.92
  5. Step 5: Solve for x
    x = 168,290,374.92/12,009.06
  6. Step 6: Final answer
    x = 14,013.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.