Home / 7,623.35-10,528.45-5,239.62

Finding the Fourth Proportional to 7,623.35, 10,528.45 and 5,239.62

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Solution

The fourth proportional to 7,623.35, 10,528.45 and 5,239.62 is: 7,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.35 : 10,528.45 = 5,239.62 : x
  2. Step 2: Convert to fraction form
    7,623.35/10,528.45 = 5,239.62/x
  3. Step 3: Cross multiply
    7,623.35x = 10,528.45 × 5,239.62
  4. Step 4: Simplify right side
    7,623.35x = 55,165,064.09
  5. Step 5: Solve for x
    x = 55,165,064.09/7,623.35
  6. Step 6: Final answer
    x = 7,236.33

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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.