Home / 7,392.07-10,196.62-5,400.19

Finding the Fourth Proportional to 7,392.07, 10,196.62 and 5,400.19

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Solution

The fourth proportional to 7,392.07, 10,196.62 and 5,400.19 is: 7,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.07 : 10,196.62 = 5,400.19 : x
  2. Step 2: Convert to fraction form
    7,392.07/10,196.62 = 5,400.19/x
  3. Step 3: Cross multiply
    7,392.07x = 10,196.62 × 5,400.19
  4. Step 4: Simplify right side
    7,392.07x = 55,063,685.36
  5. Step 5: Solve for x
    x = 55,063,685.36/7,392.07
  6. Step 6: Final answer
    x = 7,449.02

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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.