Home / 11,071.32-15,278.42-6,103.32

Finding the Fourth Proportional to 11,071.32, 15,278.42 and 6,103.32

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Solution

The fourth proportional to 11,071.32, 15,278.42 and 6,103.32 is: 8,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.32 : 15,278.42 = 6,103.32 : x
  2. Step 2: Convert to fraction form
    11,071.32/15,278.42 = 6,103.32/x
  3. Step 3: Cross multiply
    11,071.32x = 15,278.42 × 6,103.32
  4. Step 4: Simplify right side
    11,071.32x = 93,249,086.35
  5. Step 5: Solve for x
    x = 93,249,086.35/11,071.32
  6. Step 6: Final answer
    x = 8,422.58

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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.