Home / 8,727.68-12,075.87-7,610.93

Finding the Fourth Proportional to 8,727.68, 12,075.87 and 7,610.93

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Solution

The fourth proportional to 8,727.68, 12,075.87 and 7,610.93 is: 10,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.68 : 12,075.87 = 7,610.93 : x
  2. Step 2: Convert to fraction form
    8,727.68/12,075.87 = 7,610.93/x
  3. Step 3: Cross multiply
    8,727.68x = 12,075.87 × 7,610.93
  4. Step 4: Simplify right side
    8,727.68x = 91,908,540.88
  5. Step 5: Solve for x
    x = 91,908,540.88/8,727.68
  6. Step 6: Final answer
    x = 10,530.70

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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.