Home / 9,352.32-12,906.14-5,160.56

Finding the Fourth Proportional to 9,352.32, 12,906.14 and 5,160.56

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Solution

The fourth proportional to 9,352.32, 12,906.14 and 5,160.56 is: 7,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.32 : 12,906.14 = 5,160.56 : x
  2. Step 2: Convert to fraction form
    9,352.32/12,906.14 = 5,160.56/x
  3. Step 3: Cross multiply
    9,352.32x = 12,906.14 × 5,160.56
  4. Step 4: Simplify right side
    9,352.32x = 66,602,909.84
  5. Step 5: Solve for x
    x = 66,602,909.84/9,352.32
  6. Step 6: Final answer
    x = 7,121.54

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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.