Home / 7,407.05-11,095.99-5,207.09

Finding the Fourth Proportional to 7,407.05, 11,095.99 and 5,207.09

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Solution

The fourth proportional to 7,407.05, 11,095.99 and 5,207.09 is: 7,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.05 : 11,095.99 = 5,207.09 : x
  2. Step 2: Convert to fraction form
    7,407.05/11,095.99 = 5,207.09/x
  3. Step 3: Cross multiply
    7,407.05x = 11,095.99 × 5,207.09
  4. Step 4: Simplify right side
    7,407.05x = 57,777,750.07
  5. Step 5: Solve for x
    x = 57,777,750.07/7,407.05
  6. Step 6: Final answer
    x = 7,800.38

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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.