Home / 11,975.96-16,528.30-7,260.24

Finding the Fourth Proportional to 11,975.96, 16,528.30 and 7,260.24

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Solution

The fourth proportional to 11,975.96, 16,528.30 and 7,260.24 is: 10,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.96 : 16,528.30 = 7,260.24 : x
  2. Step 2: Convert to fraction form
    11,975.96/16,528.30 = 7,260.24/x
  3. Step 3: Cross multiply
    11,975.96x = 16,528.30 × 7,260.24
  4. Step 4: Simplify right side
    11,975.96x = 119,999,424.79
  5. Step 5: Solve for x
    x = 119,999,424.79/11,975.96
  6. Step 6: Final answer
    x = 10,020.03

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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.