Home / 7,518.15-11,275.35-3,568.35

Finding the Fourth Proportional to 7,518.15, 11,275.35 and 3,568.35

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Solution

The fourth proportional to 7,518.15, 11,275.35 and 3,568.35 is: 5,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.15 : 11,275.35 = 3,568.35 : x
  2. Step 2: Convert to fraction form
    7,518.15/11,275.35 = 3,568.35/x
  3. Step 3: Cross multiply
    7,518.15x = 11,275.35 × 3,568.35
  4. Step 4: Simplify right side
    7,518.15x = 40,234,395.17
  5. Step 5: Solve for x
    x = 40,234,395.17/7,518.15
  6. Step 6: Final answer
    x = 5,351.64

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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.