Home / 7,255.18-10,849.51-5,407.58

Finding the Fourth Proportional to 7,255.18, 10,849.51 and 5,407.58

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Solution

The fourth proportional to 7,255.18, 10,849.51 and 5,407.58 is: 8,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.18 : 10,849.51 = 5,407.58 : x
  2. Step 2: Convert to fraction form
    7,255.18/10,849.51 = 5,407.58/x
  3. Step 3: Cross multiply
    7,255.18x = 10,849.51 × 5,407.58
  4. Step 4: Simplify right side
    7,255.18x = 58,669,593.29
  5. Step 5: Solve for x
    x = 58,669,593.29/7,255.18
  6. Step 6: Final answer
    x = 8,086.58

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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.