Home / 7,549.84-11,315.78-5,694.80

Finding the Fourth Proportional to 7,549.84, 11,315.78 and 5,694.80

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Solution

The fourth proportional to 7,549.84, 11,315.78 and 5,694.80 is: 8,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.84 : 11,315.78 = 5,694.80 : x
  2. Step 2: Convert to fraction form
    7,549.84/11,315.78 = 5,694.80/x
  3. Step 3: Cross multiply
    7,549.84x = 11,315.78 × 5,694.80
  4. Step 4: Simplify right side
    7,549.84x = 64,441,075.47
  5. Step 5: Solve for x
    x = 64,441,075.47/7,549.84
  6. Step 6: Final answer
    x = 8,535.43

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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.