Home / 8,303.39-11,452.20-5,319.50

Finding the Fourth Proportional to 8,303.39, 11,452.20 and 5,319.50

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Solution

The fourth proportional to 8,303.39, 11,452.20 and 5,319.50 is: 7,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.39 : 11,452.20 = 5,319.50 : x
  2. Step 2: Convert to fraction form
    8,303.39/11,452.20 = 5,319.50/x
  3. Step 3: Cross multiply
    8,303.39x = 11,452.20 × 5,319.50
  4. Step 4: Simplify right side
    8,303.39x = 60,920,013.69
  5. Step 5: Solve for x
    x = 60,920,013.69/8,303.39
  6. Step 6: Final answer
    x = 7,336.76

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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.