Home / 10,791.20-14,892.13-6,075.65

Finding the Fourth Proportional to 10,791.20, 14,892.13 and 6,075.65

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Solution

The fourth proportional to 10,791.20, 14,892.13 and 6,075.65 is: 8,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.20 : 14,892.13 = 6,075.65 : x
  2. Step 2: Convert to fraction form
    10,791.20/14,892.13 = 6,075.65/x
  3. Step 3: Cross multiply
    10,791.20x = 14,892.13 × 6,075.65
  4. Step 4: Simplify right side
    10,791.20x = 90,479,279.98
  5. Step 5: Solve for x
    x = 90,479,279.98/10,791.20
  6. Step 6: Final answer
    x = 8,384.55

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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.