Home / 7,490.88-10,334.24-5,007.68

Finding the Fourth Proportional to 7,490.88, 10,334.24 and 5,007.68

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Solution

The fourth proportional to 7,490.88, 10,334.24 and 5,007.68 is: 6,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.88 : 10,334.24 = 5,007.68 : x
  2. Step 2: Convert to fraction form
    7,490.88/10,334.24 = 5,007.68/x
  3. Step 3: Cross multiply
    7,490.88x = 10,334.24 × 5,007.68
  4. Step 4: Simplify right side
    7,490.88x = 51,750,566.96
  5. Step 5: Solve for x
    x = 51,750,566.96/7,490.88
  6. Step 6: Final answer
    x = 6,908.48

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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.