Home / 8,765.50-13,153.03-5,074.94

Finding the Fourth Proportional to 8,765.50, 13,153.03 and 5,074.94

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Solution

The fourth proportional to 8,765.50, 13,153.03 and 5,074.94 is: 7,615.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.50 : 13,153.03 = 5,074.94 : x
  2. Step 2: Convert to fraction form
    8,765.50/13,153.03 = 5,074.94/x
  3. Step 3: Cross multiply
    8,765.50x = 13,153.03 × 5,074.94
  4. Step 4: Simplify right side
    8,765.50x = 66,750,772.30
  5. Step 5: Solve for x
    x = 66,750,772.30/8,765.50
  6. Step 6: Final answer
    x = 7,615.17

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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.