Home / 10,046.99-15,075.61-4,128.42

Finding the Fourth Proportional to 10,046.99, 15,075.61 and 4,128.42

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Solution

The fourth proportional to 10,046.99, 15,075.61 and 4,128.42 is: 6,194.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,046.99 : 15,075.61 = 4,128.42 : x
  2. Step 2: Convert to fraction form
    10,046.99/15,075.61 = 4,128.42/x
  3. Step 3: Cross multiply
    10,046.99x = 15,075.61 × 4,128.42
  4. Step 4: Simplify right side
    10,046.99x = 62,238,449.84
  5. Step 5: Solve for x
    x = 62,238,449.84/10,046.99
  6. Step 6: Final answer
    x = 6,194.74

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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.