Home / 8,307.50-11,465.36-5,241.60

Finding the Fourth Proportional to 8,307.50, 11,465.36 and 5,241.60

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Solution

The fourth proportional to 8,307.50, 11,465.36 and 5,241.60 is: 7,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.50 : 11,465.36 = 5,241.60 : x
  2. Step 2: Convert to fraction form
    8,307.50/11,465.36 = 5,241.60/x
  3. Step 3: Cross multiply
    8,307.50x = 11,465.36 × 5,241.60
  4. Step 4: Simplify right side
    8,307.50x = 60,096,830.98
  5. Step 5: Solve for x
    x = 60,096,830.98/8,307.50
  6. Step 6: Final answer
    x = 7,234.05

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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.