Home / 7,422.16-10,238.32-4,904.68

Finding the Fourth Proportional to 7,422.16, 10,238.32 and 4,904.68

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Solution

The fourth proportional to 7,422.16, 10,238.32 and 4,904.68 is: 6,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.16 : 10,238.32 = 4,904.68 : x
  2. Step 2: Convert to fraction form
    7,422.16/10,238.32 = 4,904.68/x
  3. Step 3: Cross multiply
    7,422.16x = 10,238.32 × 4,904.68
  4. Step 4: Simplify right side
    7,422.16x = 50,215,683.34
  5. Step 5: Solve for x
    x = 50,215,683.34/7,422.16
  6. Step 6: Final answer
    x = 6,765.64

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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.