Home / 7,699.12-10,622.37-4,711.84

Finding the Fourth Proportional to 7,699.12, 10,622.37 and 4,711.84

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Solution

The fourth proportional to 7,699.12, 10,622.37 and 4,711.84 is: 6,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.12 : 10,622.37 = 4,711.84 : x
  2. Step 2: Convert to fraction form
    7,699.12/10,622.37 = 4,711.84/x
  3. Step 3: Cross multiply
    7,699.12x = 10,622.37 × 4,711.84
  4. Step 4: Simplify right side
    7,699.12x = 50,050,907.86
  5. Step 5: Solve for x
    x = 50,050,907.86/7,699.12
  6. Step 6: Final answer
    x = 6,500.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.