Home / 12,715.94-19,076.46-4,396.28

Finding the Fourth Proportional to 12,715.94, 19,076.46 and 4,396.28

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Solution

The fourth proportional to 12,715.94, 19,076.46 and 4,396.28 is: 6,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.94 : 19,076.46 = 4,396.28 : x
  2. Step 2: Convert to fraction form
    12,715.94/19,076.46 = 4,396.28/x
  3. Step 3: Cross multiply
    12,715.94x = 19,076.46 × 4,396.28
  4. Step 4: Simplify right side
    12,715.94x = 83,865,364.19
  5. Step 5: Solve for x
    x = 83,865,364.19/12,715.94
  6. Step 6: Final answer
    x = 6,595.30

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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.