Home / 7,851.36-10,835.52-4,707.48

Finding the Fourth Proportional to 7,851.36, 10,835.52 and 4,707.48

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Solution

The fourth proportional to 7,851.36, 10,835.52 and 4,707.48 is: 6,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.36 : 10,835.52 = 4,707.48 : x
  2. Step 2: Convert to fraction form
    7,851.36/10,835.52 = 4,707.48/x
  3. Step 3: Cross multiply
    7,851.36x = 10,835.52 × 4,707.48
  4. Step 4: Simplify right side
    7,851.36x = 51,007,993.69
  5. Step 5: Solve for x
    x = 51,007,993.69/7,851.36
  6. Step 6: Final answer
    x = 6,496.71

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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.