Home / 6,147.84-8,462.70-4,653.12

Finding the Fourth Proportional to 6,147.84, 8,462.70 and 4,653.12

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Solution

The fourth proportional to 6,147.84, 8,462.70 and 4,653.12 is: 6,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.84 : 8,462.70 = 4,653.12 : x
  2. Step 2: Convert to fraction form
    6,147.84/8,462.70 = 4,653.12/x
  3. Step 3: Cross multiply
    6,147.84x = 8,462.70 × 4,653.12
  4. Step 4: Simplify right side
    6,147.84x = 39,377,958.62
  5. Step 5: Solve for x
    x = 39,377,958.62/6,147.84
  6. Step 6: Final answer
    x = 6,405.17

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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.