Home / 7,455.16-11,175.45-3,075.76

Finding the Fourth Proportional to 7,455.16, 11,175.45 and 3,075.76

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Solution

The fourth proportional to 7,455.16, 11,175.45 and 3,075.76 is: 4,610.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.16 : 11,175.45 = 3,075.76 : x
  2. Step 2: Convert to fraction form
    7,455.16/11,175.45 = 3,075.76/x
  3. Step 3: Cross multiply
    7,455.16x = 11,175.45 × 3,075.76
  4. Step 4: Simplify right side
    7,455.16x = 34,373,002.09
  5. Step 5: Solve for x
    x = 34,373,002.09/7,455.16
  6. Step 6: Final answer
    x = 4,610.63

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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.