Home / 9,364.52-12,922.98-5,172.76

Finding the Fourth Proportional to 9,364.52, 12,922.98 and 5,172.76

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Solution

The fourth proportional to 9,364.52, 12,922.98 and 5,172.76 is: 7,138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.52 : 12,922.98 = 5,172.76 : x
  2. Step 2: Convert to fraction form
    9,364.52/12,922.98 = 5,172.76/x
  3. Step 3: Cross multiply
    9,364.52x = 12,922.98 × 5,172.76
  4. Step 4: Simplify right side
    9,364.52x = 66,847,474.02
  5. Step 5: Solve for x
    x = 66,847,474.02/9,364.52
  6. Step 6: Final answer
    x = 7,138.38

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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.