Home / 12,473.12-18,709.22-5,075.58

Finding the Fourth Proportional to 12,473.12, 18,709.22 and 5,075.58

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Solution

The fourth proportional to 12,473.12, 18,709.22 and 5,075.58 is: 7,613.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.12 : 18,709.22 = 5,075.58 : x
  2. Step 2: Convert to fraction form
    12,473.12/18,709.22 = 5,075.58/x
  3. Step 3: Cross multiply
    12,473.12x = 18,709.22 × 5,075.58
  4. Step 4: Simplify right side
    12,473.12x = 94,960,142.85
  5. Step 5: Solve for x
    x = 94,960,142.85/12,473.12
  6. Step 6: Final answer
    x = 7,613.18

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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.