Home / 7,475.50-11,210.64-2,209.12

Finding the Fourth Proportional to 7,475.50, 11,210.64 and 2,209.12

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Solution

The fourth proportional to 7,475.50, 11,210.64 and 2,209.12 is: 3,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.50 : 11,210.64 = 2,209.12 : x
  2. Step 2: Convert to fraction form
    7,475.50/11,210.64 = 2,209.12/x
  3. Step 3: Cross multiply
    7,475.50x = 11,210.64 × 2,209.12
  4. Step 4: Simplify right side
    7,475.50x = 24,765,649.04
  5. Step 5: Solve for x
    x = 24,765,649.04/7,475.50
  6. Step 6: Final answer
    x = 3,312.91

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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.