Home / 7,708.36-10,638.09-4,351.46

Finding the Fourth Proportional to 7,708.36, 10,638.09 and 4,351.46

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Solution

The fourth proportional to 7,708.36, 10,638.09 and 4,351.46 is: 6,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.36 : 10,638.09 = 4,351.46 : x
  2. Step 2: Convert to fraction form
    7,708.36/10,638.09 = 4,351.46/x
  3. Step 3: Cross multiply
    7,708.36x = 10,638.09 × 4,351.46
  4. Step 4: Simplify right side
    7,708.36x = 46,291,148.16
  5. Step 5: Solve for x
    x = 46,291,148.16/7,708.36
  6. Step 6: Final answer
    x = 6,005.32

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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.