Home / 12,908.71-19,364.22-5,011.04

Finding the Fourth Proportional to 12,908.71, 19,364.22 and 5,011.04

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Solution

The fourth proportional to 12,908.71, 19,364.22 and 5,011.04 is: 7,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908.71 : 19,364.22 = 5,011.04 : x
  2. Step 2: Convert to fraction form
    12,908.71/19,364.22 = 5,011.04/x
  3. Step 3: Cross multiply
    12,908.71x = 19,364.22 × 5,011.04
  4. Step 4: Simplify right side
    12,908.71x = 97,034,880.99
  5. Step 5: Solve for x
    x = 97,034,880.99/12,908.71
  6. Step 6: Final answer
    x = 7,517.01

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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.