Home / 9,184.42-12,674.55-5,407.75

Finding the Fourth Proportional to 9,184.42, 12,674.55 and 5,407.75

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Solution

The fourth proportional to 9,184.42, 12,674.55 and 5,407.75 is: 7,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.42 : 12,674.55 = 5,407.75 : x
  2. Step 2: Convert to fraction form
    9,184.42/12,674.55 = 5,407.75/x
  3. Step 3: Cross multiply
    9,184.42x = 12,674.55 × 5,407.75
  4. Step 4: Simplify right side
    9,184.42x = 68,540,797.76
  5. Step 5: Solve for x
    x = 68,540,797.76/9,184.42
  6. Step 6: Final answer
    x = 7,462.72

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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.