Home / 8,760.65-12,075.26-6,209.24

Finding the Fourth Proportional to 8,760.65, 12,075.26 and 6,209.24

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Solution

The fourth proportional to 8,760.65, 12,075.26 and 6,209.24 is: 8,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.65 : 12,075.26 = 6,209.24 : x
  2. Step 2: Convert to fraction form
    8,760.65/12,075.26 = 6,209.24/x
  3. Step 3: Cross multiply
    8,760.65x = 12,075.26 × 6,209.24
  4. Step 4: Simplify right side
    8,760.65x = 74,978,095.98
  5. Step 5: Solve for x
    x = 74,978,095.98/8,760.65
  6. Step 6: Final answer
    x = 8,558.51

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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.