Home / 8,075.79-11,142.59-4,716.68

Finding the Fourth Proportional to 8,075.79, 11,142.59 and 4,716.68

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Solution

The fourth proportional to 8,075.79, 11,142.59 and 4,716.68 is: 6,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.79 : 11,142.59 = 4,716.68 : x
  2. Step 2: Convert to fraction form
    8,075.79/11,142.59 = 4,716.68/x
  3. Step 3: Cross multiply
    8,075.79x = 11,142.59 × 4,716.68
  4. Step 4: Simplify right side
    8,075.79x = 52,555,952.10
  5. Step 5: Solve for x
    x = 52,555,952.10/8,075.79
  6. Step 6: Final answer
    x = 6,507.84

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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.