Home / 7,475.09-11,209.59-2,208.67

Finding the Fourth Proportional to 7,475.09, 11,209.59 and 2,208.67

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Solution

The fourth proportional to 7,475.09, 11,209.59 and 2,208.67 is: 3,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.09 : 11,209.59 = 2,208.67 : x
  2. Step 2: Convert to fraction form
    7,475.09/11,209.59 = 2,208.67/x
  3. Step 3: Cross multiply
    7,475.09x = 11,209.59 × 2,208.67
  4. Step 4: Simplify right side
    7,475.09x = 24,758,257.12
  5. Step 5: Solve for x
    x = 24,758,257.12/7,475.09
  6. Step 6: Final answer
    x = 3,312.10

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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.