Home / 9,364.96-12,923.84-5,173.12

Finding the Fourth Proportional to 9,364.96, 12,923.84 and 5,173.12

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Solution

The fourth proportional to 9,364.96, 12,923.84 and 5,173.12 is: 7,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.96 : 12,923.84 = 5,173.12 : x
  2. Step 2: Convert to fraction form
    9,364.96/12,923.84 = 5,173.12/x
  3. Step 3: Cross multiply
    9,364.96x = 12,923.84 × 5,173.12
  4. Step 4: Simplify right side
    9,364.96x = 66,856,575.18
  5. Step 5: Solve for x
    x = 66,856,575.18/9,364.96
  6. Step 6: Final answer
    x = 7,139.01

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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.