Home / 7,701.34-11,550.24-2,155.08

Finding the Fourth Proportional to 7,701.34, 11,550.24 and 2,155.08

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Solution

The fourth proportional to 7,701.34, 11,550.24 and 2,155.08 is: 3,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.34 : 11,550.24 = 2,155.08 : x
  2. Step 2: Convert to fraction form
    7,701.34/11,550.24 = 2,155.08/x
  3. Step 3: Cross multiply
    7,701.34x = 11,550.24 × 2,155.08
  4. Step 4: Simplify right side
    7,701.34x = 24,891,691.22
  5. Step 5: Solve for x
    x = 24,891,691.22/7,701.34
  6. Step 6: Final answer
    x = 3,232.12

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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.