Home / 8,716.96-13,075.52-6,207.56

Finding the Fourth Proportional to 8,716.96, 13,075.52 and 6,207.56

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Solution

The fourth proportional to 8,716.96, 13,075.52 and 6,207.56 is: 9,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.96 : 13,075.52 = 6,207.56 : x
  2. Step 2: Convert to fraction form
    8,716.96/13,075.52 = 6,207.56/x
  3. Step 3: Cross multiply
    8,716.96x = 13,075.52 × 6,207.56
  4. Step 4: Simplify right side
    8,716.96x = 81,167,074.93
  5. Step 5: Solve for x
    x = 81,167,074.93/8,716.96
  6. Step 6: Final answer
    x = 9,311.40

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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.