Home / 7,698.12-10,620.99-4,710.84

Finding the Fourth Proportional to 7,698.12, 10,620.99 and 4,710.84

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Solution

The fourth proportional to 7,698.12, 10,620.99 and 4,710.84 is: 6,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.12 : 10,620.99 = 4,710.84 : x
  2. Step 2: Convert to fraction form
    7,698.12/10,620.99 = 4,710.84/x
  3. Step 3: Cross multiply
    7,698.12x = 10,620.99 × 4,710.84
  4. Step 4: Simplify right side
    7,698.12x = 50,033,784.53
  5. Step 5: Solve for x
    x = 50,033,784.53/7,698.12
  6. Step 6: Final answer
    x = 6,499.48

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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.