Home / 10,075.97-15,117.19-4,155.64

Finding the Fourth Proportional to 10,075.97, 15,117.19 and 4,155.64

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Solution

The fourth proportional to 10,075.97, 15,117.19 and 4,155.64 is: 6,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.97 : 15,117.19 = 4,155.64 : x
  2. Step 2: Convert to fraction form
    10,075.97/15,117.19 = 4,155.64/x
  3. Step 3: Cross multiply
    10,075.97x = 15,117.19 × 4,155.64
  4. Step 4: Simplify right side
    10,075.97x = 62,821,551.27
  5. Step 5: Solve for x
    x = 62,821,551.27/10,075.97
  6. Step 6: Final answer
    x = 6,234.79

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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.