Home / 7,255.10-10,886.60-5,614.85

Finding the Fourth Proportional to 7,255.10, 10,886.60 and 5,614.85

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Solution

The fourth proportional to 7,255.10, 10,886.60 and 5,614.85 is: 8,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.10 : 10,886.60 = 5,614.85 : x
  2. Step 2: Convert to fraction form
    7,255.10/10,886.60 = 5,614.85/x
  3. Step 3: Cross multiply
    7,255.10x = 10,886.60 × 5,614.85
  4. Step 4: Simplify right side
    7,255.10x = 61,126,667.26
  5. Step 5: Solve for x
    x = 61,126,667.26/7,255.10
  6. Step 6: Final answer
    x = 8,425.33

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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.