Home / 9,322.50-13,989.65-8,446.79

Finding the Fourth Proportional to 9,322.50, 13,989.65 and 8,446.79

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Solution

The fourth proportional to 9,322.50, 13,989.65 and 8,446.79 is: 12,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.50 : 13,989.65 = 8,446.79 : x
  2. Step 2: Convert to fraction form
    9,322.50/13,989.65 = 8,446.79/x
  3. Step 3: Cross multiply
    9,322.50x = 13,989.65 × 8,446.79
  4. Step 4: Simplify right side
    9,322.50x = 118,167,691.81
  5. Step 5: Solve for x
    x = 118,167,691.81/9,322.50
  6. Step 6: Final answer
    x = 12,675.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.