Home / 12,392.25-17,095.70-7,356.68

Finding the Fourth Proportional to 12,392.25, 17,095.70 and 7,356.68

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Solution

The fourth proportional to 12,392.25, 17,095.70 and 7,356.68 is: 10,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.25 : 17,095.70 = 7,356.68 : x
  2. Step 2: Convert to fraction form
    12,392.25/17,095.70 = 7,356.68/x
  3. Step 3: Cross multiply
    12,392.25x = 17,095.70 × 7,356.68
  4. Step 4: Simplify right side
    12,392.25x = 125,767,472.01
  5. Step 5: Solve for x
    x = 125,767,472.01/12,392.25
  6. Step 6: Final answer
    x = 10,148.88

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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.