Home / 7,607.12-11,408.70-3,222.32

Finding the Fourth Proportional to 7,607.12, 11,408.70 and 3,222.32

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Solution

The fourth proportional to 7,607.12, 11,408.70 and 3,222.32 is: 4,832.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.12 : 11,408.70 = 3,222.32 : x
  2. Step 2: Convert to fraction form
    7,607.12/11,408.70 = 3,222.32/x
  3. Step 3: Cross multiply
    7,607.12x = 11,408.70 × 3,222.32
  4. Step 4: Simplify right side
    7,607.12x = 36,762,482.18
  5. Step 5: Solve for x
    x = 36,762,482.18/7,607.12
  6. Step 6: Final answer
    x = 4,832.64

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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.