Home / 7,278.58-10,046.06-5,012.92

Finding the Fourth Proportional to 7,278.58, 10,046.06 and 5,012.92

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Solution

The fourth proportional to 7,278.58, 10,046.06 and 5,012.92 is: 6,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.58 : 10,046.06 = 5,012.92 : x
  2. Step 2: Convert to fraction form
    7,278.58/10,046.06 = 5,012.92/x
  3. Step 3: Cross multiply
    7,278.58x = 10,046.06 × 5,012.92
  4. Step 4: Simplify right side
    7,278.58x = 50,360,095.10
  5. Step 5: Solve for x
    x = 50,360,095.10/7,278.58
  6. Step 6: Final answer
    x = 6,918.95

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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.