Home / 10,476.94-15,709.46-3,455.04

Finding the Fourth Proportional to 10,476.94, 15,709.46 and 3,455.04

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Solution

The fourth proportional to 10,476.94, 15,709.46 and 3,455.04 is: 5,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.94 : 15,709.46 = 3,455.04 : x
  2. Step 2: Convert to fraction form
    10,476.94/15,709.46 = 3,455.04/x
  3. Step 3: Cross multiply
    10,476.94x = 15,709.46 × 3,455.04
  4. Step 4: Simplify right side
    10,476.94x = 54,276,812.68
  5. Step 5: Solve for x
    x = 54,276,812.68/10,476.94
  6. Step 6: Final answer
    x = 5,180.60

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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.