Home / 7,756.11-11,633.36-3,075.12

Finding the Fourth Proportional to 7,756.11, 11,633.36 and 3,075.12

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Solution

The fourth proportional to 7,756.11, 11,633.36 and 3,075.12 is: 4,612.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.11 : 11,633.36 = 3,075.12 : x
  2. Step 2: Convert to fraction form
    7,756.11/11,633.36 = 3,075.12/x
  3. Step 3: Cross multiply
    7,756.11x = 11,633.36 × 3,075.12
  4. Step 4: Simplify right side
    7,756.11x = 35,773,962.63
  5. Step 5: Solve for x
    x = 35,773,962.63/7,756.11
  6. Step 6: Final answer
    x = 4,612.36

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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.